Mexico 1858-Pi PS 8 reales

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Ponterio sale 155, lot 6445
photo courtesy Ponterio & Associates
Ponterio sale 169, lot 11232
photo courtesy Stacks-Bowers LLC

The specimen shown is an 1858Pi-PS eight reales from the San Luis Potosi mint, which struck the type 1827-93. This date is one of several rare dates (1858-60) issued during the War of the Reform. The earlier issues of 1831-48 and later issues of 1861-93 are more available. The San Luis Potosi mint closed in 1895, having struck most of the silver and copper denominations but never issued gold. The SCWC lists also assayer MC which is scarce but not rare. The first specimen was lot 6444 in Ponterio sale 155 (Baltimore, November 2010), where it sold for $2,587.50. The catalog description[1] noted, "MEXICO. Potosi. 8 Reales, 1858-PS. Die style of 1857-1858. RARE and one of the finest known. Nice strike. ALMOST UNCIRCULATED." The second specimen was lot 11232 in Ponterio sale 169 (Baltimore, November 2012), where it sold for $1,410. The catalog description[2] noted, "MEXICO. 8 Reales, 1858-PiPS. RARE. Die style of 1857-58. Several edge nicks and scratches. NGC EF Details--Damaged."

Recorded mintage: unknown.

Specification: 27.07 g, .903 fine silver, .786 troy oz ASW.

Catalog reference: KM 377.12, DP-Pi38.


  • 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, and Kent Ponterio, The November 2010 Baltimore Auction, Irvine, CA: Bowers and Merena, 2010.
  • Dunigan, Mike, and J. B. Parker, Resplandores: Cap and Ray 8 Reales of The Republic of Mexico, 1823-1897, Beverly Hills, CA: Superior Stamp & Coin, 1997.
  • Harper, David C. [Ed.], North American Coins & Prices, 17th Ed., Iola, WI: Krause Publications, 2007.
  • Elizondo, Carlos A., Eight Reales and Pesos of the New World, San Antonio, TX: 1968.
  • Raymond, Wayte, The Silver Dollars of North and South America, 2nd Ed., Racine, WI: Whitman Publishing, 1964.
  • [2]Ponterio, Richard, Ponterio sale 169: The November 2012 Baltimore Auction, Irvine, CA: Stack's Bowers, LLC, 2012.

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