Watch List notes:

MACEDON, Dium. Julia Mamaea. Augusta, AD 222-235. Æ (24mm, 10.81 g, 1h). Draped bust right, wearing stephane / Minerva standing left between two serpents coiled left, holding patera and scepter; D D (reversed) across field. Kremyde-Sicilianou 12; Varbanov 3510 (same dies as illustration). VF, green patina. Rare.

From the Dr. George Spradling Collection. Ex Classical Numismatic Group Electronic Auction 77 (12 November 2003), lot 58.