Watch List notes:

Caracalla augustus, 198 – 217. As 215, Æ 7.43g. ANTONINVS PIVS AVG GERM Laureate, draped, and cuirassed bust r. Rev. P M TR P XVIII COS III P P / S – C Asclepius standing facing, leaning on serpent-entwined staff; in l. field, Telesphorus standing facing and in r. field, globe. C 310. BMC 293. RIC 554b.
Very rare and in exceptional condition for the issue. A bold portrait
and a wonderful green patina, good extremely fine

Ex NAC sale 15, 1999, 401.