Mexico 1891-Pi MR 8 reales

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Ponterio sale 155, lot 6453
photo courtesy Ponterio & Associates

The specimen shown is an 1891Pi MR eight reales from the San Luis Potosi mint, which struck the type 1827-93. The San Luis Potosi mint closed in 1893, having struck most of the silver and copper denominations but never issued gold. The SCWC lists no varieties for the date, which is common. This specimen was lot 6453 in Ponterio sale 155 (Baltimore, November 2010), where it sold for $293.25. The catalog description[1] noted, "MEXICO. Potosi. 8 Reales, 1891-MR. NGC MS-64."

Recorded mintage: 1,184,000.

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

Catalog reference: KM 377.12, DP-Pi82.


  • [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.

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