Watch List notes:

John III Ducas (Vatatzes), emperor of Nicaea, 1222-1254. Tetarteron (Bronze, 20 mm, 2.62 g, 6 h), Magnesia. Bust of St. George facing, holding spear in his right hand and shield in his left; 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 labarum in his right hand and akakia in his left. DOC 58. SB 2116. Good very fine.
From the collection of a scholar.