ORC7721 Dolphin, Roma / Dio EF

Dolphin, AR or plated denarius, (2.96g) c. 209-208 BC, Sicilian? Mint,
Helmeted head of Roma right, X behind, dotted border. / Dioscouri advancing
right, dolphin below, ROMA in exergue. C 80/1a. Toned EF, scratches on
reverse field, lightweight example showing signs of crystallization at rim.