Bulgari Monete Ancient Coin Gold Ring

An 18 karat yellow gold and coin ring, Bulgari.  The Monete ring centering a bezel set ancient coin flanked by horizontal fluting completed by a vertically fluted tapering band, inscribed on the inside "Sicily - Gelas 5th cent. B.C.  Size approximately 4 1/2.  Gross weight approximately 13.50 grams.  Signed and numbered.