Mexico 1831-Zs OM 4 reales

from the Mountain Groan Collection

Assayer OM is recorded for 1830-55; four reales were struck at Zacatecas 1830-70. Ten mints (Mexico City, Guanajuato, Zacatecas, Potosi, Oaxaca, Hermosillo, Real del Catorce, Guadalupe y Calvo, Guadalajara and Culiacan) struck this type of which Zacatecas is tied with Guanajuato as the commonest mint. This particular date is slightly scarce.

Recorded mintage: unknown.

Specification: 13.54 g, 0.903 fine silver, .392 troy oz ASW.

Catalog reference: KM 375.9.

Source:

• 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.
• ^[1]Ponterio, Richard, Ponterio sale 169: The November 2012 Baltimore Auction, Irvine, CA: Stack's Bowers, LLC, 2012.

Link to:

• 1827-Mo 4 reales
• 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 ½ real
• 1831-M^O JM real
• 1831-Z^S real
• 1831-G^O 2 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
• 1832 4 reales
• Coins and currency dated 1831
• return to Mexican imperial and republican coinage, 1822-1905