Mexico 1844-Z OM 1/2 real

from the Mountain Groan Collection

Stack's Bowers June 2026 World Premier Collectors Choice Auction, lot 72253

This specimen was struck at the Zacatecas mint in 1844, one of a type struck there 1826-69. Assayer OM (Manuel Ochoa and Manuel Miner) is listed for 1831-56. The second specimen was lot 72253 in Stack's Bowers June 2026 World Premier Collectors Choice Auction (Costa Mesa, CA, June 2026), where it sold for $585.60. The catalog description^[1] noted, "MEXICO. 1/2 Real, 1844-Z OM. Zacatecas Mint. NGC MS-65. Finest example graded by NGC. Sharp strike, frosty white condition. From the Kirk Menczer Collection of Republican Reales Minors."

Recorded mintage: unknown.

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

Catalog reference: KM-370.12.

Source:

• Buttrey, T. V., and Clyde Hubbard, A Guide Book of Mexican Coins, 1822 to date, 6th ed., Iola, WI: Krause Publications, 1992.
• Harper, David C., ed., North American Coins & Prices: A Guide to U. S., Canadian and Mexican Coins, 17th Ed., Iola, WI: Krause Publications, 2007.
• ^[1]Orsini, Matt, Kyle Ponterio and Jeremy Bostwick, June 2026 World Premier Collectors Choice Auction - Selections from the L.E. Bruun Collection, the Richard Margolis Collection and the Kirk Menczer Collection of Republican Reales Minors, Costa Mesa, CA: Stack's Bowers Galleries, Inc., 2026.

Link to:

• 1843-G^A ½ real
• 1844-G^A ¼ real
• 1844-GC ¼ real
• 1844-G^O ¼ real
• 1844-M^O ¼ real
• 1844-SLP^I ¼ real
• 1844-C^A ½ real
• 1844-G^A ½ real
• 1844-GC ½ real
• 1844-G^O ½ real
• 1844-C^A real
• 1844-GC real
• 1844-Z^S real
• 1844-G^A 2 reales
• 1844-Z^S 2 reales
• 1844-G^A 4 reales
• 1844-GC 4 reales
• 1844-G^O 4 reales
• 1844-C^A 8 reales
• 1844-D^O 8 reales
• 1844-G^A 8 reales
• 1844-GC 8 reales
• 1844-G^O 8 reales
• 1844-M^O 8 reales
• 1844-P^I 8 reales
• 1844-Z^S 8 reales
• 1844-D^O ½ escudo
• 1844-M^O ½ escudo
• 1844-GC escudo
• 1844-G^A 4 escudos
• 1844-GC 8 escudos
• 1844-G^O 8 escudos
• 1844-M^O 8 escudos
• Coins and currency dated 1844
• return to Mexican imperial and republican coinage, 1822-1905