Mexico 1890-Zs Z 10 centavos

from the Stack's Bowers sale of the Kirk Menczer Collection, lot 71460

This specimen was lot 71460 in Stack's Bowers Collectors Choice sale (Costa Mesa, CA, October 2025), where it sold for $480. The catalog description^[1] noted, "MEXICO. 10 Centavos, 1890-Z_ Z. Zacatecas Mint. NGC AU-58. Error with missing 's' in mintmark. Only example graded by NGC. Very scarce error in very rare condition. From the Kirk Menczer Collection of Republican Decimal Minors." This date marks the third in a series of “Z Z” errors, where the “s” was omitted from the mintmark. Similar errors are known for 1886, 1888, 1896 and 1897. The regular date is common, this error is somewhat scarce. The Zacatecas mint was one of four mints that struck the ten centavos with the redesigned eagle, starting in 1898.

Recorded mintage: 410,000, all varieties.

Specification: 2.70 g, 0.903 fine silver, 18 mm diameter, reeded edge.

Catalog reference: KM-403.10.

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]Orsini, Matt, Kyle Ponterio and Jeremy Bostwick, October 2025 World Collectors Choice Online Auction, featuring the Kirk Menczer Collection of Republican Decimal Minors and the Richard August Collection, Costa Mesa, CA: Stack's Bowers Galleries, Inc., 2025.

Link to:

• 1888-Z^S 10 centavos
• 1890-G^A centavo
• 1890-M^O centavo
• Campeche 1890 2 centavos pattern
• Coahuila 1890 2 centavos pattern
• Mexico 1890 2 centavos pattern
• Puebla 1890 2 centavos pattern
• Nuevo Leon 1890 2 centavos pattern
• Queretaro 1890 2 centavos pattern
• San Luis Potosi 1890 2 centavos pattern
• Tlaxcala 1890 2 centavos pattern
• Independencia 1890 2 centavos pattern
• Zacatecas 1890 2 centavos pattern
• 1890-A^S 5 centavos
• 1890-C^A 5 centavos
• 1890-C^N 5 centavos
• 1890-G^O 5 centavos
• 1890-H^O 5 centavos
• 1890-M^O 5 centavos
• 1890-O^A E 5 centavos
• 1890-O^A N 5 centavos
• 1890-Z^S 5 centavos
• 1890-A^S 10 centavos
• 1890-C^A 10 centavos
• 1890-C^N 10 centavos
• 1890-D^O 10 centavos
• 1890-G^A 10 centavos
• 1890-G^O 10 centavos
• 1890-H^O 10 centavos
• 1890-M^O 10 centavos
• 1890-O^A E 10 centavos
• 1890-O^A N 10 centavos
• 1890-P^I 10 centavos
• 1890-A^S 25 centavos
• 1890-C^N 25 centavos
• 1890-D^O 25 centavos
• 1890-G^O 25 centavos
• 1890-H^O 25 centavos
• 1890-M^O 25 centavos
• 1890-P^I 25 centavos
• 1890-Z^S 25 centavos
• 1890-A^S 8 reales
• 1890-C^A 8 reales
• 1890-C^N 8 reales
• 1890-D^O 8 reales
• 1890-G^A 8 reales
• 1890-G^O 8 reales
• 1890-H^O 8 reales
• 1890-M^O AM 8 reales
• 1890-M^O MH 8 reales
• 1890-O^A 8 reales
• 1890-P^I 8 reales
• 1890-Z^S 8 reales
• 1890-G^O gold peso
• 1890-M^O gold peso
• 1890-Z^S gold peso
• 1890-M^O 2½ pesos
• 1890-Z^S 2½ pesos
• 1890-C^N 10 pesos
• 1890-A^S 10 pesos
• 1890-M^O 20 pesos
• 1892-Z^S 10 centavos
• Coins and currency dated 1890
• return to Decimal coinage of the Republic of Mexico, 1863-1905