Mexico 1842-Pi PS 1/2 real

Ponterio sale 159, lot 8161

photo courtesy Ponterio & Associates

Ponterio sale 159, lot 8162

photo courtesy Ponterio & Associates

The type was struck at San Luis Potosí 1831 and 1842-63, with assayer PS listed for 1842-43. These specimens were lot 8161 and 8162 in Ponterio sale 159 (Baltimore, March 2011), where they sold for $575 and $1,092.50. The catalog description^[1] noted, "MEXICO. Potosi. 1/2 Real, 1842/41-PiPS/JS. Toned. NGC MS-62" for the first and "MEXICO. Potosi. 1/2 Real, 1842-PiPS. NGC MS-65" for the second. This date is listed as scarce.

Recorded mintage: unknown.

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

Catalog reference: KM 370.10.

Source:

• Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1801-1900, 9th ed., Iola, WI: Krause Publications, 2019.
• Buttrey, T. V., and Clyde Hubbard, A Guide Book of Mexican Coins, 1822 to date, 6th ed., Iola, WI: Krause Publications, 1992.
• ^[1]Ponterio, Richard, Ponterio sale 159: the March 2011 Baltimore Auction, featuring the Len Novotny collection, Irvine, CA: Stack's-Bowers & Ponterio, 2011.

Links to:

• 1837-Do ½ real
• 1842-M^O 1/8 real
• 1842-G^A ¼ real
• 1842-G^O LR ¼ real
• 1842-G^O PM ¼ real
• 1842-D^O ¼ real
• 1842-M^O ¼ real
• 1842-SLP ¼ real
• 1842-Z ¼ real
• 1842-D ½ real
• 1842-G^A ½ real
• 1842-G^O PJ ½ real
• 1842-G^O PM ½ real
• 1842-M^O ½ real
• 1842-D real
• 1842-G^A real
• 1842-Z^S real
• 1842-D^O 2 reales
• 1842-P^I JS 2 reales
• 1842-P^I PS 2 reales
• 1842-P^I 4 reales
• 1842-Z^S 4 reales
• 1842-C^A 8 reales
• 1842-D^O 8 reales
• 1842-G^A 8 reales
• 1842-G^O PJ 8 reales
• 1842-G^O PM 8 reales
• 1842-M^O ML 8 reales
• 1842-M^O MM 8 reales
• 1842-P^I JS 8 reales
• 1842-P^I PS 8 reales
• 1842-Z^S 8 reales
• 1842-M^O ML ½ escudo
• 1842-M^O MM ½ escudo
• 1842-G^A ½ escudo
• 1842-C^A 8 escudos
• 1842-D^O 8 escudos
• 1842-G^O PJ 8 escudos
• 1842-G^O PM 8 escudos
• 1842-M^O 8 escudos
• 1844-Go ½ real
• Coins and currency dated 1842
• return to Mexican imperial and republican coinage, 1822-1905