Watch List notes:

Caracalla, 198 – 217. Denarius circa 217, AR 3.49 g. ANTONINVS PIVS AVG GERM Laureate head r. Rev. P M TR P XX COS IIII P P Diana, with crescent on head and with scarf flying behind her, in biga of bulls l. C 395. BMC 185. RIC 284d.
Rare. Light iridescent tone, virtually as struck and almost Fdc

Ex Tkalec 18 February 2002, 189 and Helios 4, 2009, 562 sales. From the A. Lynn collection.