Watch List notes:

John III Ducas (Vatatzes), emperor of Nicaea, 1222-1254. Tetarteron (Bronze, 20 mm, 3.03 g, 6 h), Magnesia. Half-length bust of John III facing, holding labarum in right hand and globus cruciger in left. Rev. Cross within pelleted crescent. DOC 59. SB 2117. A remarkable specimen, well centered and well struck, having with a green patina with lovely earthen highlights. About extremely fine.
From the collection of a scholar.