Constantine X Ducas, 1059-1067. Histamenon (Gold, 26 mm, 4.08 g, 6 h), Constantinople. +IhS IXS REX REGNANTINM Christ, nimbate, seated facing on straight-backed throne, raising hand in benediction, holding Gospels. Rev. + KѠN RACΛ O ΔOVKAC Constantine standing facing, wearing crown and loros, holding labarum with pellet on shaft, and globus cruciger. DOC 1. SB 1847. Faint graffito on the reverse, otherwise. About extremely fine.