Caracalla antoninianus - the obverse has been double struck. The coin may be a fouree or an official example where debasement went too far. An interesting study piece.

Size: 22.5mm Weight: 3.94 grams

Obverse: ANTONINVS PIVS AVG GERM, laureate head right

Reverse: VENVS VICTRIX, Venus standing facing holding Victory & scepter, leaning on shield set on helmet.