John III Ducas (Vatatzes), emperor of Nicaea. AD 1222-1254. Magnesia mint. Bronze Tetarteron (20.5 mm, 3.03 g)

Obv: Βust of St. George facing, holding spear in right hand and shield in left; in left field, A in circle; in right field, monogram of ΓΕωP

Rev: Iω / ΔEC/ΠO OΔOY/K/A/C John III standing facing, holding labarum in right hand and akakia in left.

DOC 58. SB 2116.