BYZANTINE SEALS. Joseph Chartoularios of Hagia Sophia, circa 11th Century. Seal or Bulla (Lead, 24 mm, 7.80 g, 12 h), Constantinople. M/I-X/A Winged and nimbate bust of the Archangel Michael, holding scepter with his right hand and globus with his left. Rev. +IΩCHΦ/XAPTOY/ΛAPIΩ THC/ MEΓAΛHC/ EKΛHCIS in five lines within plain dotted border. Rare and historically important. Flat areas from incomplete pressing of the bulloterion, otherwise, very fine.