Watch List notes:

John III Ducas (Vatatzes), emperor of Nicaea, 1222-1254. Hyperpyron (Gold, 28 mm, 3.90 g, 6 h), Magnesia, 1232-1254. IC - XC Christ, nimbate, enthroned facing, raising right hand in benediction and holding book of Gospels in left. Rev. Fragmentary inscription John, on the left, standing facing, wearing divitision and loros, holding anexikakia in his left hand and labarum in his right, crowned by the Virgin, nimbate and standing facing on the right; at sides of the Virgin's head, MHP - ΘV. DOC 6b. SB 2073. Very fine.
From the collection of a scholar.