John III Ducas (Vatatzes). Emperor of Nicaea, 1222-1254. BI Aspron Trachy Nomisma (29mm, 3.13 g, 6h). Thessalonica mint. Struck 1249/50-1254?. Facing bust of beardless Christ Pantokrator enthroned facing / Half-length figure of John III, holding labarum and globus cruciger. DOC 14; SB 2134. VF or better, gray surfaces, coppery highlights. Exceptional strike on a broad and heavy flan.