Eye. The open part of a loop or an eyelet. While the eye is the opening, the eyelet is the metal form around the eye forming the loop. A JUMP RING passes through the eye for suspension. See loop.
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