High relief Coral stone carving depict Ceres Goddess Marked 10K Yellow Gold Brooch. Circa 1915. Man's portrait on the back

Deep relief carving Coral stone (Angel Skin?)- Great Edwardian image of Ceres Goddess with man's picture on the back from the early 1920th. The big brooch/pendant total measures is 32 mm. by 45 mm. Hallmarked and tested as 10K Yellow Gold. Total weighs 10.36 grams. Circa 1915. Great condition.