Watch List notes:

Caracalla, 198-217. Antoninianus (Silver, 24 mm, 5.38 g, 1 h), Rome, 215. ANTONINVS PIVS AVG GERM Radiate, draped and cuirassed bust of Caracalla to right. 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 130. Cohen 295. RIC 263e. A lustrous and fresh example, struck on a broad flan. Good extremely fine.