Grand Tour circa 1850 lava stone front signed NAPOLE Unmarked Rose Gold or Rose Gold plated brooch

Hand carved lava - high relief woman’s head with carving NAPOLI on the front, circa 1850th - 1860th. From the Grand Tour - famous Italian touristic tour for British and American tourists in the 18 & 19 centuries. Cameo brooch total measurements is 26 mm. by 32 mm. . Unmarked Rose Gold or Gold plated brooch. C clasp is partially broken. Except this in the good condition, but need some cleaning - specially on the back. The total weight is 7.8 grams