Watch List notes:

THRACE, Serdica. Gallienus. AD 253-268. Æ Tetrassarion (26mm, 13.55 g, 8h). Radiate, draped, and cuirassed bust left, holding shield and spear / Mars standing facing, head left, holding reversed spear and shield. Ruzicka, Serdica 482 var. (bust type); H&J, Serdica 12.46.11.1; Varbanov 2610. Good Fine, rough green patina. Rare.

From the Dr. George Spradling Collection.