John III Ducas Vatatzes, emperor of Nicaea, 1222-1254 AD. AE Tetarteron (18mm, 2.88 g.). Magnesia. Facing bust of St. George, holding spear in his right hand and shield in his left; in field to left, A in circle; in field to right, monogram of ⲰP. Rev. IⲰ / ΔHC/Π/O Δ/OY/K/A/C John III standing facing, holding labarum in his right hand and akakia in his left. DOC 58. SB 2116. Good very fine.