Watch List notes:

MACEDON, Koinon of Macedon. temp. Gordian III. AD 238-244. Æ (27mm, 15.35 g, 6h). Diademed head of Alexander the Great right / Alexander the Great standing right, placing bridle on Bucephalus rearing left; star to left. AMNG III 553.1-2; RPC VII.2 Online (unassigned; ID 71043). Green and brown surfaces. Fine.