Vintage Art Deco 10k yellow gold black onyx pendant has a raised textured rose and green gold flower in the center. The pendant measures 7/8" (not including the length of the bail) x 5/8". Signed "10K Esemco" on the back of the bail. The chain measures 16", is original to the pendant and is also signed "10K Esemco" on the clasp (signed by the manufacture). In excellent condition, circa 1940. $5.95 US ship/insure. See image area for additional information about the company from American Jewelry Manufacturers by Dorothy T. Rainwater. About the maker: Shiman Industries- Newark, New Jersey. Established 1906.