Watch List notes:

Probus. AD 276-282. Antoninianus (22mm, 4.61 g, 6h). Siscia mint, 4th officina. 3rd emission, AD 277. Radiate and cuirassed bust right / Salus standing left, feeding from patera a serpent rising from altar to left; XXIΔ. RIC V 744; Alföldi, Siscia V –; Pink VI/1 p. 50. EF, good silvering.