Great Britain 1797 1/3 guinea

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Ponterio sale 158, lot 443
photo courtesy Ponterio & Associates

This specimen was lot 443 in Ponterio sale 158 (New York, January 2011), where it sold for $___. The catalog description[2] noted, "GREAT BRITAIN. 1/3 Guinea, 1797. BRILLIANT UNCIRCULATED." This type was struck 1797-1800, presumably to pay soldiers and sailors during the Napoleonic Wars; it is the first of its denomination. The reform of 1817 terminated all guinea-denominated issues in favor of the sovereign. As the guinea was 21 shillings, this coin would have been seven shillings.

Recorded mintage: unknown.

Specification: 2.78 g, .917 fine gold, .082 troy oz AGW.

Catalog reference: Fr-365; S-3738; KM-620.


  • Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 9th ed., Clifton, NJ: Coin and Currency Institute, 2017.
  • Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.
  • [2]Ponterio, Richard, and Kent Ponterio, Ponterio sale 158: The 2011 N.Y.I.N.C. Auction, Irvine: Bowers and Merena, 2010.

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