John III Ducas (Vatatzes), emperor of Nicaea, 1222-1254. Tetarteron (Bronze, 20 mm, 3.55 g, 6 h), Magnesia. Facing bust of St. George, holding spear and shield; in field to left, A in circle; in field to right, monogram of ωP. Rev. Iω / ΔHC/Π/O ΔOY/K/A/C John III standing facing, holding akakia in his left hand and labarum in his right. DOC 58. SB 2116. The obverse struck slightly off center, otherwise, good very fine.