Difference between revisions of "Russia 1870-SP NI 20 kopeks"
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* Bitkin, Vladimir, ''Composite Catalogue of Russian Coins, Part II (1740-1917),'' Kiev: Moneta, 2003. | * Bitkin, Vladimir, ''Composite Catalogue of Russian Coins, Part II (1740-1917),'' Kiev: Moneta, 2003. | ||
* Harris, Robert P., ''Guidebook of Russian Coins, 1725 to 1970,'' Santa Cruz, CA: Bonanza Press, 1971. | * Harris, Robert P., ''Guidebook of Russian Coins, 1725 to 1970,'' Santa Cruz, CA: Bonanza Press, 1971. | ||
| − | * <sup>[1]</sup>Richter, Jürg, ''SINCONA Auction 84, Russian Coins and Medals,'' | + | * <sup>[1]</sup>Richter, Jürg, ''SINCONA Auction 84, Russian Coins and Medals,'' Zürich: SINCONA AG, 2023. |
* Michael, Thomas, and Tracy L. Schmidt, ''Standard Catalog of World Coins, 1801-1900, 9th ed.'', Iola, WI: Krause Publications, 2019. | * Michael, Thomas, and Tracy L. Schmidt, ''Standard Catalog of World Coins, 1801-1900, 9th ed.'', Iola, WI: Krause Publications, 2019. | ||
Revision as of 13:00, 20 June 2025
This specimen was lot 441 in Sincona sale 84 (Zürich, October 2023), where it sold for 350 CHF (about US$471 including buyer's fees). The catalog description[1] noted,
"RUSSIA Russian Empire and Federation, 20 Kopecks 1870, St. Petersburg Mint, SPB NI. NGC MS64+. Nicely toned."
In 1867, the weight of the twenty kopeks was reduced from 4.14 g, 0.750 fine silver to 3.60 g, 0.500 fine silver and struck in that form until the collapse of the regime. None were made 1894-1900.
Recorded mintage: 16,255,000.
Specification: 3.60 g, 0.500 fine silver, this specimen 3.62 g.
Catalog reference: KM Y22a.1, Bitkin 218.
- Bitkin, Vladimir, Composite Catalogue of Russian Coins, Part II (1740-1917), Kiev: Moneta, 2003.
- Harris, Robert P., Guidebook of Russian Coins, 1725 to 1970, Santa Cruz, CA: Bonanza Press, 1971.
- [1]Richter, Jürg, SINCONA Auction 84, Russian Coins and Medals, Zürich: SINCONA AG, 2023.
- Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1801-1900, 9th ed., Iola, WI: Krause Publications, 2019.
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