France 1858-A 50 centimes
The second specimen was lot 1820 in CGB sale 31 (Paris, June 2007). This dime-sized coin was struck at Paris under the régime of Napoleon III (1852-70). It is a common date of a type struck in France 1853-63. This type is distinguished from the later type (F.188) of 1864-69 by the absence of a laurel wreath on the emperor's head. It was demonetized in 1869. The catalog notes 16 dates for the type, some very rare. This date is the commonest date.
Recorded mintage: 5,556,511.
Specification: 2.5 g, .900 fine silver, 18 mm diameter, reeded edge. It was designed by Jean-Jacques Barre, 1793-1855.
Catalog reference: F.187/9, KM 794.
- Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1801-1900, 9th ed., Iola, WI: Krause Publications, 2019.
-  Prieur, Michel, and Laurent Schmitt, Le Franc 10: Les Monnaies, Paris: Éditions les Chevau-légers, 2013.