Isaac I Comnenus. 1057-1059. AV Histamenon Nomisma (25mm, 4.38 g, 6h). Constantinople mint. Christ Pantokrator enthroned facing, raising hand in benediction and holding Gospels / Isaac standing facing, holding drawn sword and scabbard. DOC 2; SB 1843. Light toning in devices, slight double strike and die break on obverse, traces of die rust on reverse. VF.