Skip to content

Master Die

Master Die.  A hub, or patrix. A master die is positive (convex) and negative working dies (concave matrix dies) are made from it by hubbing.  See engraving.

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


NNP is 100% non-profit and independent // Your feedback is essential and welcome. // Your feedback is essential and welcome.