CARACALLA, A.D. 198-217. AR Double Denarius (Antoninianus), Rome Mint, A.D. 216. NGC Ch VF.
RIC-280D; RSC-349B. Obverse: Radiate and draped bust right; Reverse: Serapis, wearing modius on head, standing left, raising hand and holding scepter.
Estimate: $70 - $100