Reference Websites
Numista
Database of Coins
CoinArchives
Auction History of French and other Coins (Organized by Leader) (Subscription Required)
Coinstrail
Auction History Database (Most recent 6 months of auctions free; full history with subscription)
CGB Reference Page for 20 Francs (and other denominations). Website for Le Franc book.
Literature / Reference Books
Catalog of world coins. The source for the “KM#” references to coin types found on Numista. A reference to the original authors of this catalog, Krause and Mishler.
Le Franc
French, Monaco, and Napoleonic Territory Coinage (in French). Source of the “Gad.” coin reference numbers.
French Coinage (in French)
Napoleon I Coinage History and Pattern/Essai Coins (in French)
Louis XVIII Coinage History and Pattern/Essai Coins (in French)
History of the Formation of the LMU
