Watch List notes:

Julia Mamaea (mother of S. Alexander) Æ 21mm of Olbia, Scythia. AD 222-235. ΙΟΥΛΙΑ ΜΑΜЄΑ, draped bust to right / ΟΛΒΙΟΠΟΛΙΤѠΝ, Zeus seated to right, holding sceptre and thunderbolt; Γ in right field. RPC VI Online 2112 (temporary); SNG Moskau 2979-85; Anokhin, Black Sea, 396; Frolova-Abramzon 2751-2757, pl. 113, 4. 5.14g, 21mm, 6h.

Very Fine. Very Rare; RPC lists 4 other examples.

From the collection of GK.