Watch List notes:

Probus, 276-282. Antoninianus (Billon, 21 mm, 3.67 g, 6 h), Cyzicus, 280. 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 / C M / XXIP Sol, radiate, standing in facing spread quadriga, with his head turned left, his right arm raised and with whip in his left. Cohen 683. RIC 911. Particularly sharp and appealing; intact silvering. Extremely fine.