San Marino. 20 Euro, 2002. Fr-90; KM-460. Weight 0.1867 ounce. Republic. Only 4,550 struck of this first year of the denomination. 1600th Anniversary of Ravenna. This is the only specimen that has been graded by NGC and is the finest grade possible. NGC graded Proof 70 Ultra Cameo. Estimate Value $275 - 325