Mexico 1860-Pi PS 4 reales

from Stack's Bowers June 2026 World Premier Collectors Choice Auction, part of lot 73286

This specimen was lot 73286 in Stack's Bowers June 2026 World Premier Collectors Choice Auction (Costa Mesa, CA, June 2026), where it sold for $317.20. The catalog description^[1] noted, "MEXICO. 4 Reales, 1860-Pi PS. San Luis Potosi Mint. NGC AU Details--Cleaned. Very scarce date. Tied with one other for highest graded by NGC. From the Kirk Menczer Collection of Republican Reales Minors." 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. The San Luis Potosi mint struck four reales 1837-38, 1842-64, 1868-69 and many dates, including this one, are rare. Assayer PS (Pompaso Sanabria) is recorded for most of those years. This type, legal tender in the pre Civil War United States for a half dollar, is common up thru Very Fine.

Recorded mintage: unknown.

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

Catalog reference: KM-375.8.

Source:

• Busse, Dave, A Minor Challenge: A Study of Mexican Republic Silver ¼, ½, 1, 2 and 4 Reales Die Styles,, Harlingen, TX: 2018.
• 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.
• ^[1]Orsini, Matt, Kyle Ponterio and Jeremy Bostwick, The October 2021 Collector's Choice sale: World and Ancient Coins, Costa Mesa, CA: Stack's Bowers LLC, 2021.

Link to:

• 1859-P^I 4 reales
• Chihuahua 1860 1/4 real
• Jalisco 1860 1/16 real
• Durango 1860 1/4 real
• San Luis Potosi 1860 1/4 real
• 1860-M^O ¼ real
• 1860-C ½ real
• 1860-D^O ½ real
• 1860-G^A ½ real
• 1860-G^O ½ real
• 1860-M^O FH ½ real
• 1860-M^O TH ½ real
• 1860-P^I ½ real
• 1860-Z^S MO ½ real
• 1860-Z^S VL ½ real
• 1860-C real
• 1860-D^O real
• 1860-G^A real
• 1860-G^O real
• 1860-P^I real
• 1860-Z^S MO real
• 1860-Z^S VL real
• 1860-C 2 reales
• 1860-G^O 2 reales
• 1860-M^O FH 2 reales
• 1860-M^O TH 2 reales
• 1860-Z^S MO 2 reales
• 1860-Z^S VL 2 reales
• 1860-C 4 reales
• 1860-G^A 4 reales
• 1860-G^O 4 reales
• 1860-Z^S MO 4 reales
• 1860-Z^S VL 4 reales
• 1860-C PV 8 reales
• 1860-C CE 8 reales
• 1860-C^A 8 reales
• 1860-D^O 8 reales
• 1860-G^A 8 reales
• 1860-G^O 8 reales
• 1860-M^O FH 8 reales
• 1860-M^O TH 8 reales
• 1860-O^A 8 reales
• 1860-P^I FE 8 reales
• 1860-P^I PS 8 reales
• 1860-Z^S MO 8 reales
• 1860-Z^S VL 8 reales
• 1860-C ½ escudo
• 1860-G^O ½ escudo
• 1860-M^O ½ escudo
• 1860-Z^S ½ escudo
• 1860-G^O escudo
• 1860-G^A escudo
• 1860-M^O escudo
• 1860-Z^S escudo
• 1860-G^A 2 escudos
• 1860-G^O 2 escudos
• 1860-Z^S 2 escudos
• 1860-Z^S 4 escudos
• 1860-C 8 escudos
• 1860-G^O 8 escudos
• 1860-M^O 8 escudos
• 1860-Z^S 8 escudos
• 1861-P^I 4 reales
• Coins and currency dated 1860
• return to Mexican imperial and republican coinage, 1822-1905