Watch List notes:

Probus. AD 276-282. Antoninianus (22mm, 3.43 g, 6h). Siscia mint, 3rd officina. 2nd emission, AD 277. Radiate and mantled bust left, holding eagle-tipped scepter / Probus riding horse left, raising hand and holding scepter; to lower left, bound captive seated left; Γ//XXI. RIC V 624; Alföldi, Siscia V type 6, –; Pink VI/1 p. 47. EF, matte brown surfaces. Rare.