mounted on the same brooch or bar, also called group mounted. Also three or more medallic items presented to the same person; issued as a set; or intended to remain together because of some common interest. (Two such items are known as a pair.) Should either of these become separated they are known as a broken group or broken set.
excerpted with permission from
For Artists, Makers, Collectors and Curators
COMPILED AND WRITTEN BY D. WAYNE JOHNSON
Roger W. Burdette, Editor