This is a French faience oyster plate produced by the renowned Henriot Quimper pottery workshop, likely dating from the mid-20th century (1940s-1950s). The distinctive design features a black background with white sgraffito decorations and vibrant yellow wells rimmed in turquoise blue, showcasing the characteristic Breton folk art style.

Oyster plates became popular in France during the 19th century as specialized serveware for the French culinary tradition of enjoying fresh oysters. These Quimper pieces are highly valued by collectors of French country pottery and culinary antiques for their distinctive regional character and practical artistry. The bright colors and intricate patterns make them both decorative and functional pieces that represent traditional Breton craftsmanship.