Caracalla and Plautilla AE 37mm of Stratonikeia, Caria. Magistrate Kl. Dionysos. 

AY KAI M AYR AN KAI QE CEB NE PLAYTILLA (or similar), laureate and 
draped bust of Caracalla right facing draped bust of Plautilla left, 
countermarks: head of Athena right and QEOY 
EPI TWN PER T B KL DIONYCION CTRATONIKEWN, Zeus Panamaros on 
horseback right, holding transverse sceptre and approaching flaming 
altar. 

BMC 65: Countermarks Howgego 188 and 536; SNG von Aulock 2695 var(positions of busts).

With permission of cngcoins.com, item 151607.
Sold For $895.