1960s Enameled Eisenberg Ring

Enameled ring made by Eisenberg in the 1960s. It features an abstract design of different shades of brown, black and white. It is signed on the inside with the Eisenberg 'E' mark and a copyright 'C'. It also has the number '6' stamped on the inside indicating that it is a size 6 ring. It is in good condition with some wear to the finish on the interior of the ring.