NNP

Mirror Reflectiveness.  Very highly polished surface so smooth light rays are reflected in a uniform angle of incidence. Like a mirror such metal surfaces are said to

be proof or prooflike.  See reflectiveness.

     

820-(011)06.9           Illus: Drawings

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