Great Britain 1725 half guinea

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Ponterio sale 152, lot 7135
photo courtesy Ponterio & Associates

This specimen was lot 7135 in Ponterio sale 152 (New York, January 2010), where it sold for $1,552.50. The catalog description[1] noted, "GREAT BRITAIN. 1/2 Guinea, 1725. George I (1714-27). NGC AU-58." The guinea of 21 shillings was the standard British gold coin during the eighteenth century and was issued in large numbers. Most were exported to pay soldiers and provide "subsidies" for friendly rulers. This type, struck 1725-27, is the last minted during the reign of George I, the first of the Hanoverians. This writer does not know how common half guineas are relative to guineas, but one can safely say they are scarce in high grade. Guineas were superseded by sovereigns during the reform of 1817.

Recorded mintage: unknown.

Specification: 4.175 g, .917 fine gold, .123 troy oz.

Catalog reference: Fr-329; S-3627; KM 560.


  • Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.
  • 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.
  • Lobel, Richard, Mark Davidson, Allan Hailstone and Eleni Calligas, Coincraft's Standard Catalogue of English and UK Coins, 1066 to Date, London: Coincraft, 1995.
  • Skingley, Philip, ed., Standard Catalogue of British Coins: Coins of England & the United Kingdom, 46th edition, London: Spink & Son, 2011.
  • [1]Ponterio, Richard, and Kent Ponterio, Ponterio sale 152: The 2010 NYINC Auction, Irvine, CA: Bowers and Merena, 2009.

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