Great Britain 1810 1/2 guinea

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Sincona sale 59, lot 1506
This specimen was lot 1506 in Sincona sale 59 (Zurich, October 2019), where it sold for 450 CHF (about US$545 including buyer's fees). The catalog description[1] noted,
"GREAT BRITAIN | Königreich, George III. 1760-1820. 1/2 Guinea 1810, London. Vorzüglich. Hübsche Patina. (kingdom of Great Britain, George III, 1760-1820, half guinea of 1810, London mint. Extremely fine, Attractively toned.)"
This type was struck 1804-13, presumably to pay soldiers and sailors during the Napoleonic Wars. Domestically, Great Britain operated on paper Bank of England notes; the gold standard would not be resumed until after Waterloo. 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 ten shillings, six pence.

Recorded mintage: unknown.

Specification: 4.17 g, .917 fine gold, .123 troy oz AGW, this specimen 4.17 g.

Catalog reference: KM 651, Seaby 3737. Fr-364.


  • Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1801-1900, 9th ed., Iola, WI: Krause Publications, 2019.
  • 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.
  • Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 7th ed., Clifton, NJ: Coin and Currency Institute, 2003.
  • [1]Richter, Jurg, Sincona Auction 59: Gold and Silver Coins and Medals; Coins and Medals from Switzerland, Zurich: SINCONA AG, 2019.

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