Watch List notes:

Probus (276-282). BI Antoninianus, Siscia mint. IMP C MAVR PROBVS P AVG. Radiate, helmeted and cuirassed bust right, holding spear and shield. / SOLI INVICTO. Sol in quadriga left; in exergue, XXIII. RIC V 768. BI. 3.96 g. 21.00 mm. Scarce. Bronze patina with iridescent hues. Good VF/VF.