Watch List notes:

Tacitus BI Radiate. Serdica, AD 276. IMP C M CL TACITVS P F AVG, radiate bust right, with drapery on far shoulder / CONSERVAT MILIT, Mars in military dress standing right, holding spear in left hand and passing globe to Emperor standing left, holding long sceptre in left hand; A in central field, KA in exergue. RIC -; MER-RIC 3901 (temporary, this coin). 3.49g, 23mm, 6h.

Good Very Fine, traces of silvering remaining. Unique.

This coin published on the Monnaies de l'Empire Romain / Roman Imperial Coinage AD 268-276 website at http://www.ric.mom.fr;
From a private European collection;
Ex Ph. Gysen collection (Inv. 57).