France 1858-BB 20 francs
"II. Kaiserreich. Napoleon III. 1852-1870. 20 Francs 1858 BB, Strasbourg. Gadoury 1061. NGC AU58. (Second empire of France, Napoleon III, 1852-70, twenty francs of 1858, Strasbourg mint.)"This type is one of the most common gold coins in existence (146 million minted 1853-60) yet is very difficult to assemble in choice condition. This is a better date, priced about double the common date (1858-A).
Recorded mintage: 2,067,740.
Specification: 6.45 g, .900 fine gold, 21 mm diameter, edge lettered DIEU PROTEGE LA FRANCE, designed by Jacques-Jean Barré.
Catalog reference: KM 781.2; Gadoury 1061, Fr-574, F.531/14.
- Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1801-1900, 7th ed., Iola, WI: Krause Publications, 2012.
- Prieur, Michel, and Laurent Schmitt, Le Franc 10: Les Monnaies, Paris: Éditions les Chevau-légers, 2014.
- Richter, Jurg, Sincona Auction 51: Gold and Silver Coins and Medals; Coins and Medals from Switzerland, Zurich: SINCONA AG, 2018.