Watch List notes:

Probus. AD 276-282. Antoninianus (23mm, 3.71 g, 12h). Siscia mint. 4th emission, late AD 277. Radiate, helmeted, and cuirassed bust left, holding spear and shield / SISCIA PROBI AVG, Siscia seated slightly left on throne, holding diadem with both hands; to lower left and right, seated figures of the river–gods Savus and Colapis; XXIT. RIC V 764; Pink VI/1, p. 51. VF, green patina, light cleaning scratches, rough surfaces. Rare.