Plaque de Cou

Plaque de cou is the French term ascribed to a central rectangular ornament, usually jeweled, that forms the integral decorative element in a collier de chien or dog collar necklace. The plaque can sit atop a ribbon or be held in place by multiple rows of small pearls or other beads.

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Edwardian Diamond Plaque de Cou, Circa 1900, Designed on one Edge to Conceal the Necklace Clasp. Photo Courtesy of Lang Antiques.