Watch List notes:

M. Aurelius Cotta. 139 BC. AR Denarius (19mm, 3.91 g, 5h). Rome mint. Helmeted head of Roma right, wearing necklace of pendants; X (mark of value) to left / Hercules driving biga of centaurs right; centaurs each carrying a branch. Crawford 229/1b; Sydenham 429; Aurelia 16; type as RBW 959. Toned, minor flan flaw on obverse. VF. Rare.

From the Collection of a Yorkshire Gentleman. Ex Nicoleta Collection (Classical Numismatic Group Electronic Auction 375, 1 June 2016), lot 618.