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	<id>https://coinvarieties.com/index.php?action=history&amp;feed=atom&amp;title=Frankfurt_1657_ducat_Fr-976</id>
	<title>Frankfurt 1657 ducat Fr-976 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://coinvarieties.com/index.php?action=history&amp;feed=atom&amp;title=Frankfurt_1657_ducat_Fr-976"/>
	<link rel="alternate" type="text/html" href="https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;action=history"/>
	<updated>2026-07-25T17:39:34Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.35.0</generator>
	<entry>
		<id>https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;diff=606430&amp;oldid=prev</id>
		<title>LatinKing2020: Text replacement - &quot;* Friedberg, Arthur L. and Ira S. Friedberg, ''Gold Coins of the World, From Ancient Times to the Present, 9th ed.,'' Clifton, NJ: Coin and Currency Institute, 2017. 
* Cuhaj, George S., and Thomas Michael, ''Standard Catalog of World Coins, 1601-1700, 6th ed.'', Iola, WI: Krause Publications, 2014.&quot; to &quot;* Cuhaj, George S., and Thomas Michael, ''Standard Catalog of World Coins, 1601-1700, 6th ed.'', Iola, WI: Krause Publications, 2014.
* Friedberg, Arthur L. and Ira S. Fri...</title>
		<link rel="alternate" type="text/html" href="https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;diff=606430&amp;oldid=prev"/>
		<updated>2026-01-19T02:17:00Z</updated>

		<summary type="html">&lt;p&gt;Text replacement - &amp;quot;* Friedberg, Arthur L. and Ira S. Friedberg, &amp;#039;&amp;#039;Gold Coins of the World, From Ancient Times to the Present, 9th ed.,&amp;#039;&amp;#039; Clifton, NJ: Coin and Currency Institute, 2017.  * Cuhaj, George S., and Thomas Michael, &amp;#039;&amp;#039;Standard Catalog of World Coins, 1601-1700, 6th ed.&amp;#039;&amp;#039;, Iola, WI: Krause Publications, 2014.&amp;quot; to &amp;quot;* Cuhaj, George S., and Thomas Michael, &amp;#039;&amp;#039;Standard Catalog of World Coins, 1601-1700, 6th ed.&amp;#039;&amp;#039;, Iola, WI: Krause Publications, 2014. * Friedberg, Arthur L. and Ira S. Fri...&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 02:17, 19 January 2026&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''[[Bibliography|Source:]]''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''[[Bibliography|Source:]]''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Craig, William D., ''[[Germany|Germanic]] Coinages: Charlemagne through Wilhelm II,'' Mountain View, CA: 1954.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Craig, William D., ''[[Germany|Germanic]] Coinages: Charlemagne through Wilhelm II,'' Mountain View, CA: 1954.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* Cuhaj, George S., and Thomas Michael, ''Standard Catalog of World Coins, 1601-1700, 6th ed.'', Iola, WI: Krause Publications, 2014.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Friedberg, Arthur L. and Ira S. Friedberg, ''Gold Coins of the World, From Ancient Times to the Present, 9th ed.,'' Clifton, NJ: Coin and Currency Institute, 2017.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Friedberg, Arthur L. and Ira S. Friedberg, ''Gold Coins of the World, From Ancient Times to the Present, 9th ed.,'' Clifton, NJ: Coin and Currency Institute, 2017.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* Cuhaj, George S., and Thomas Michael, ''Standard Catalog of World Coins, 1601-1700, 6th ed.'', Iola, WI: Krause Publications, 2014. &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;sup&amp;gt;[1]&amp;lt;/sup&amp;gt;Cristiano Bierrenbach, Warren Tucker and Sam Spiegel, ''NYINC World Coins Signature Auction 3098'', Dallas, TX: Heritage Auction Galleries, 2021.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;lt;sup&amp;gt;[1]&amp;lt;/sup&amp;gt;Cristiano Bierrenbach, Warren Tucker and Sam Spiegel, ''NYINC World Coins Signature Auction 3098'', Dallas, TX: Heritage Auction Galleries, 2021.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>LatinKing2020</name></author>
	</entry>
	<entry>
		<id>https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;diff=216260&amp;oldid=prev</id>
		<title>LatinKing2020: revised bibliography</title>
		<link rel="alternate" type="text/html" href="https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;diff=216260&amp;oldid=prev"/>
		<updated>2022-04-29T20:48:03Z</updated>

		<summary type="html">&lt;p&gt;revised bibliography&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 20:48, 29 April 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l11&quot; &gt;Line 11:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 11:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''[[Bibliography|Source:]]''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;''[[Bibliography|Source:]]''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;* Craig, William D., ''[[Germany|Germanic]] Coinages: Charlemagne through Wilhelm II,'' Mountain View, CA: 1954. &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Friedberg, Arthur L. and Ira S. Friedberg, ''Gold Coins of the World, From Ancient Times to the Present, 9th ed.,'' Clifton, NJ: Coin and Currency Institute, 2017.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Friedberg, Arthur L. and Ira S. Friedberg, ''Gold Coins of the World, From Ancient Times to the Present, 9th ed.,'' Clifton, NJ: Coin and Currency Institute, 2017.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Cuhaj, George S., and Thomas Michael, ''Standard Catalog of World Coins, 1601-1700, 6th ed.'', Iola, WI: Krause Publications, 2014.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* Cuhaj, George S., and Thomas Michael, ''Standard Catalog of World Coins, 1601-1700, 6th ed.'', Iola, WI: Krause Publications, 2014.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>LatinKing2020</name></author>
	</entry>
	<entry>
		<id>https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;diff=216208&amp;oldid=prev</id>
		<title>LatinKing2020 at 18:57, 29 April 2022</title>
		<link rel="alternate" type="text/html" href="https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;diff=216208&amp;oldid=prev"/>
		<updated>2022-04-29T18:57:51Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 18:57, 29 April 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l21&quot; &gt;Line 21:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[Coins and currency dated 1657]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* [[Coins and currency dated 1657]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Selections from Heritage sale 3097]][[Category: &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Godl &lt;/del&gt;ducats of Europe]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Selections from Heritage sale 3097]][[Category: &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Gold &lt;/ins&gt;ducats of Europe]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>LatinKing2020</name></author>
	</entry>
	<entry>
		<id>https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;diff=216207&amp;oldid=prev</id>
		<title>LatinKing2020: Created page with &quot;from Heritage sale 3098, lot 33677 thumb  This specimen was lot 33677 in Heritage sale 3098 (New York,...&quot;</title>
		<link rel="alternate" type="text/html" href="https://coinvarieties.com/index.php?title=Frankfurt_1657_ducat_Fr-976&amp;diff=216207&amp;oldid=prev"/>
		<updated>2022-04-29T18:57:37Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/index.php/File:H3098-33677o.jpg&quot; title=&quot;File:H3098-33677o.jpg&quot;&gt;300px|thumb|from Heritage sale 3098, lot 33677&lt;/a&gt; &lt;a href=&quot;/index.php/File:H3098-33677r.jpg&quot; title=&quot;File:H3098-33677r.jpg&quot;&gt;300px|thumb&lt;/a&gt;  This specimen was lot 33677 in Heritage sale 3098 (New York,...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[Image:H3098-33677o.jpg|300px|thumb|from Heritage sale 3098, lot 33677]]&lt;br /&gt;
[[Image:H3098-33677r.jpg|300px|thumb]]&lt;br /&gt;
&lt;br /&gt;
This specimen was lot 33677 in Heritage sale 3098 (New York, January 2022), where it sold for $2,880. The catalog description&amp;lt;sup&amp;gt;[1]&amp;lt;/sup&amp;gt; noted, &amp;quot;German States: [[German States, Frankfurt|Frankfurt]]. Free City gold Ducat 1657/6 MS64 NGC. Golden resplendence abounds this well-preserved gold Ducat, a series usually seen in lesser states and only borderline uncirculated. Decorated in a pervasive granularity and light reflectivity, while light friction to the reverse is found to cap the assigned grade.&amp;quot; The SCWC divides this issue into two subtypes: eagle's head right (KM 104.2, shown here), struck 1649-60 and 1666, and eagle's head left ([[Frankfurt 1648 ducat Fr-976|KM 104.1]]), struck 1646-49 and 1652-54.&lt;br /&gt;
&lt;br /&gt;
''Recorded mintage:'' unknown.&lt;br /&gt;
&lt;br /&gt;
''Specification:'' 3.5 g, 0.986 fine gold.&lt;br /&gt;
&lt;br /&gt;
''Catalog reference:'' KM 104.2, Fr-976. &lt;br /&gt;
&lt;br /&gt;
''[[Bibliography|Source:]]''&lt;br /&gt;
* Friedberg, Arthur L. and Ira S. Friedberg, ''Gold Coins of the World, From Ancient Times to the Present, 9th ed.,'' Clifton, NJ: Coin and Currency Institute, 2017. &lt;br /&gt;
* Cuhaj, George S., and Thomas Michael, ''Standard Catalog of World Coins, 1601-1700, 6th ed.'', Iola, WI: Krause Publications, 2014. &lt;br /&gt;
* &amp;lt;sup&amp;gt;[1]&amp;lt;/sup&amp;gt;Cristiano Bierrenbach, Warren Tucker and Sam Spiegel, ''NYINC World Coins Signature Auction 3098'', Dallas, TX: Heritage Auction Galleries, 2021.&lt;br /&gt;
&lt;br /&gt;
''Link to:''&lt;br /&gt;
* [[Frankfurt 1648 ducat Fr-976|1648 ducat, eagle's head left]]&lt;br /&gt;
* [[Frankfurt 1654 ducat Fr-976|1654 ducat, eagle's head right]]&lt;br /&gt;
* [[Frankfurt 1658 ducat Fr-980|1658 ducat, on the coronation of Leopold I]]&lt;br /&gt;
* [[Coins and currency dated 1657]]&lt;br /&gt;
&lt;br /&gt;
[[Category:Selections from Heritage sale 3097]][[Category: Godl ducats of Europe]]&lt;/div&gt;</summary>
		<author><name>LatinKing2020</name></author>
	</entry>
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