Watch List notes:

Caracalla, 198-217. Antoninianus (Silver, 24 mm, 5.45 g, 7 h), Rome, 215. ANTONINVS PIVS AVG GERM Radiate, draped and cuirassed bust of Caracalla to right, seen from behind. Rev. P M TR P XVIII COS IIII P P Serapis standing front, head to left, raising his right hand in salute and holding scepter in his left. BMC 295. Cohen 349. RIC 263e. Lustrous and attractive. Struck from a somewhat worn reverse die, otherwise, good extremely fine.