Watch List notes:

Constantine X Ducas, 1059-1067. Histamenon (Gold, 27 mm, 4.40 g, 6 h), Constantinopolis. +IҺS IXS REX REGNANTIҺm Christ, nimbate, seated facing on straight-backed throne, raising his right hand in benediction and holding book of Gospels in his left. Rev. +KωN RAC Λ' O ΔOVKAC Constantine X standing facing, wearing crown and loros, holding labarum with his right hand and globus cruciger in his left. DOC 1. SB 1847. Struck from a worn obverse die, otherwise, good very fine.