Mexico 1831-Mo JM 1/2 real

from the Mountain Groan Collection

This specimen was struck at the Mexico City mint in 1831, one of a type struck there 1825-69. Assayer JM is listed for 1822-32. This date is common.

Recorded mintage: unknown.

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

Catalog reference: KM-370.9.

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.

Link to:

• 1828-G ½ real
• 1830-Z^S ½ real
• 1831-M^O 1/16 real
• Zacatecas 1831 1/8 real
• Jalisco 1831 ¼ real
• 1831-M^O ¼ real
• Zacatecas 1831 ¼ real
• 1831-G^A ½ real
• 1831-G^O ½ real
• 1831-M^O JM real
• 1831-Z^S real
• 1831-G^O 2 reales
• 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