Mexico 1831-Go MJ 1/2 real

Ponterio sale 159, lot 8150

This specimen was lot 8150 in Ponterio sale 159 (Baltimore, March 2011), where it sold for $373.75. The catalog description^[1] noted, "MEXICO. Guanajuato. 1/2 Real, 1831-GoMJ. NGC MS-64." It was struck at the Guanajuato mint in 1831, one of a type struck there 1826-68. Assayer MJ is listed for 1826-33. This variety, along with an 1831/29 overdate, is common.

Recorded mintage: unknown.

Specification: 1.69 g, 0.903 fine silver, .049 troy oz ASW.

Catalog reference: KM-370.7.

Source:

• Bailey, Don and Lois, Whitman Encyclopedia of Mexican Money, Volume 1, An Illustrated History of Mexican Coins and Currency, Atlanta: Whitman Publishing, 2014.
• Buttrey, T. V., and Clyde Hubbard, A Guide Book of Mexican Coins, 1822 to date, 6th ed., Iola, WI: Krause Publications, 1992.
• Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1801-1900, 9th ed., Iola, WI: Krause Publications, 2019.
• Utberg, Neil S., The Coins of Mexico, 1536-1963, San Antonio, TX, 1963.
• ^[1]Ponterio, Richard, Ponterio sale 159: the March 2011 Baltimore Auction, featuring the Len Novotny collection, Irvine, CA: Stack's-Bowers & Ponterio, 2011.

Link to:

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• 1830-Z^S ½ real
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• Jalisco 1831 ¼ real
• 1831-M^O ¼ real
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• 1831-Z^S 4 reales
• 1831-C^A 8 reales
• 1831-D^O 8 reales
• 1831-G^A LP 8 reales
• 1831-G^A FS 8 reales
• 1831-G^O 8 reales
• 1831-M^O 8 reales
• 1831-P^I 8 reales
• 1831-Z^S OV 8 reales
• 1831-Z^S OM 8 reales
• 1831-G^A ½ escudo
• 1831-M^O ½ escudo
• 1831-G^A escudo
• 1831-M^O escudo
• 1831-M^O 2 escudos
• 1831-G^O 4 escudos
• 1831-M^O 8 escudos
• Peru 1831-Cuz G 1/2 real
• 1832-G^O ½ real
• Coins and currency dated 1831
• return to Mexican imperial and republican coinage, 1822-1905