Watch List notes:

Commodus. AD 177-192. AR Denarius (18.5mm, 6h). Rome mint. Struck AD 191. Laureate head right / Minerva advancing right, head left, holding branch, shield, and spear. RIC III 222a; MIR 18, 815-4/30; RSC 358. In NGC encapsulation 6709969-003, graded Ch XF.

From the William B. Porter Collection. Ex Classical Numismatic Group Electronic Auction 398 (31 May 2017), lot 553.