Watch List notes:

Probus Silvered Æ Radiate. Serdica, AD 277. IMP C M AVR PROBVS P AVG, radiate and mantled bust left, holding eagle-tipped sceptre / SOLI INVICTO, Sol, head left, raising hand and holding globe and whip in left, in spread quadriga facing; no mintmark. RIC -, cf. 864 (with mintmark); Jacquier 39, 12 Sept. 2014, lot 639 (same dies); C. 679. 2.91g, 22mm, 12h.

Very Fine. Some silvering remaining. Extremely Rare variant without mintmark.