Watch List notes:

Caracalla. As Caesar, AD 196-198. AR Antoninianus (22.5mm, 5.09 g, 12h). Rome mint. Struck AD 216. Radiate and draped bust right / Serapis standing facing, head left, raising hand and holding scepter. RIC IV 280d; RSC 349b. Good VF, toned, some small spots of verdigris.