Watch List notes:

Probus Æ Antoninianus. Antioch, AD 276-282. IMP C M AVR PROBVS P F AVG, radiate bust right, wearing imperial mantle and holding eagle-tipped sceptre / SOLI INVICTO, Sol in spread quadriga; CM below, XXI in exergue, RIC 911. 3.47g, 23mm, 12h.

Some silvering remaining, Very Fine.