Whizzing. A collector's term for a coin unnecessarily polished to resemble an uncirculated or proof finish. Such a coin is severely downgraded in condition since any sharp relief is abraded. See bright finish.
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