Watch List notes:

Constantine X Ducas, 1059-1067. Histamenon (Gold, 29 mm, 4.46 g, 7 h), Constantinopolis. +IhS IXI RCX RCSNANTIҺm Christ, nimbate, seated facing on square-backed throne, wearing tunic and pallium, raising his right hand in benediction and holding book of Gospels in his left. Rev. +KωN RACA Λ O ΔOVKAC Constantine X standing facing, wearing crown and loros, holding labarum in his right hand and globus cruciger in his left. DOC 1b. SB 1847. The obverse somewhat double struck, otherwise, extremely fine.