John III, Ducas-Vatatzes ( 1222-1254 ) Billon Aspron Trachy, Thessalonica. 30mm, 2.95 gr. obv.: MHP-Q V to left and right of Mary, nimbate, seated facing. rev.: DECPOTH O DMHTRIOC John, on left and St. Demetrius, standing facing, holding patriarchal cross between them. SB 2128; DOC 8. Scarce Courtesy of Byzantium Coins on vcoins.com www.vcoins.com/ancient/byzantiumcoins/