Watch List notes:

ROMAN IMPERIAL AND PROVINCIAL COINS

Probus, 276-282. Antoninianus (Billon, 21 mm, 3.07 g, 12 h), Rome, 2nd officina, 277-278. IMP C M AVR PROBVS P F AVG Radiate bust of Probus to left, wearing imperial mantle and holding eagle-tipped scepter with his right hand. Rev. SOLI INVICTO / RB Sol, radiate, standing facing in spread quadriga, his right hand raised in greeting and with a whip held in his left; below horses' hooves, two stars within crescents. Cohen 682. Pink VI/1 p. 55. RIC 204. Well struck, with an exceptionally realistic portrait, and a striking depiction of Sol. Extremely fine.

From the collection of an erudite diplomat.