Flan
Flan. The French word for planchet or blank – the metal disk (or other shape) made for striking into a medal or a coin. Flans to be struck in a coining press need to be upset after they are blanked. See blanking.
excerpted with permission from
An Encyclopedia of Coin and Medal Technology
For Artists, Makers, Collectors and Curators
COMPILED AND WRITTEN BY D. WAYNE JOHNSON
Roger W. Burdette, Editor