Watch List notes:

MACEDON, Thessalonica. Gallienus. AD 253-268. Æ (30.5mm, 20.78 g, 7h). Games issue. Radiate and cuirassed bust left, holding spear forward and round shield / Three agonistic crowns, each containing palm frond; between, bucranium with palm frond. Touratsoglou 37 (V2/R18) = Mabbott 355. VF, green patina, some roughness. Very rare.

From the Belgica Collection. Ex Dr. George Spradling Collection (Classical Numismatic Group Electronic Auction 348, 8 April 2015), lot 454.