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Split Planchet

Split Planchet.  A layer or layers of metal which peel off – due to poor alloy or annealing – either before or after the planchet is struck. Laminated alloy is susceptible to this condition if the bonding is not perfect.  See lamination error.

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


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