Watch List notes:

ANCIENT ROMAN COINS, Probus (AD 276-282), Billon Antoninianus, mint of Serdica, struck AD 277, IMP C M AVR PROBVS AVG, radiate bust facing left, wearing imperial mantle and holding an eagle-tipped sceptre, rev SOLI INVICTO, Sol riding in a facing quadriga, holding a whip, KAB in exergue, 4.45g, 12h (RIC 862; C 574; RCV 12040 var). Broad flan, much silvering, extremely fine.
Mint of Rome unless otherwise stated

Estimate: £100-120