Mexico 1840-Go PJ real

from Stack's Bowers 2026 NYINC sale, lot 41105

This specimen was lot 41105 in Stack's Bowers NYINC sale (New York, January 2026), where it sold for $2,280. The catalog description^[1] noted, "MEXICO. Real, 1840/39-Go PJ. Guanajuato Mint. PCGS MS-66. Quite impressive, this Premium Gem stands alone atop the PCGS population report, delivering booming luster, and crisp well formed details." This specimen was struck at the Guanajuato mint in 1840. This mint struck silver and gold coins 1826-1900, with one reals known for 1826-62 and 1867-68. The issues of Guanajuato, along with Zacatecas and Mexico City, are generally common. The overdate is mentioned in the SCWC but not awarded any premium. This example realized 24 times the catalog value.

Recorded mintage: unknown.

Specification: 3.38 g, 0.903 fine silver.

Catalog reference: KM-372.6.

Source:

• Busse, Dave, A Minor Challenge: A Study of Mexican Republic Silver ¼, ½, 1, 2 and 4 Reales Die Styles,, Harlingen, TX: 2018.
• Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1801-1900, 9th ed., Iola, WI: Krause Publications, 2019.
• 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.
• Utberg, Neil S., The Coins of Mexico, 1536-1963, San Antonio, TX, 1963.
• ^[1]Orsini, Matt, Kyle Ponterio and Jeremy Bostwick, January 2026 NYINC Showcase Auction, Ancient and World Coins, featuring the Kazmier Wysocki Collection, Costa Mesa, CA: Stack's Bowers Galleries, Inc., 2025.

Link to:

• 1839-G^O real
• 1840-G^A ½ real
• 1840-G^O ½ real
• 1840-M^O ½ real
• 1840-Z ½ real
• 1840-P^I real
• 1840-Z^S real
• 1840-G^A 2 reales
• 1840-G^O 2 reales
• 1840-M^O 2 reales
• 1840-Z^S 2 reales
• 1840-G^O 4 reales
• 1840-Z^S 4 reales
• 1840-C^A 8 reales
• 1840-D^O 8 reales
• 1840-G^A 8 reales
• 1840-G^O 8 reales
• 1840-M^O 8 reales
• 1840-P^I 8 reales
• 1840-Z^S 8 reales
• 1840-M^O ½ escudo
• 1840-G^A 2 escudos
• 1840-G^O 4 escudos
• 1840-D^O 8 escudos
• 1840-G^O 8 escudos
• 1841-G^O real
• Coins and currency dated 1840
• return to Mexican imperial and republican coinage, 1822-1905