Caracalla. Denarius

Caracalla; 198-217 AD, Rome, 209 AD, Denarius, 3.06g. Obv: ANTONINVS - PIVS AVG Head laureate r. Rx: (of Septimius Severus) P M TR P XVII - COS III P P, Salus seated l., feeding serpent that coils up from her lap. Ex Curtis L. Clay Collection; ex Ancient Auction House, eBay, 23 April 2002. A rare moneyer's error, combining an obverse die of Caracalla with a reverse die of Septimius Severus. Not in the standard catalogues or the Reka Devnia hoard.. EF