NNP

Proof-like. (1) A numismatic item struck from proof polished dies but not from fully polished planchets or from plated dies. full proof must have both proof polished dies and planchets. Plated dies – with chromium or nickel plating – are done to lengthen die life.  During the 1960s Canada produced and sold sets of proof-like coins in lieu of full mirror proofs. See proof finish.

Reference:                                                                                                       

NE42 {1882} Doty, p 272.

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