Watch List notes:

Constantine X Ducas, 1059-1067. Histamenon (Gold, 25 mm, 4.45 g, 6 h), Constantinopolis. +IhS XIS RЄX RЄςNANTҺIm 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 RAC Λ O ΔOVKAC Constantine X standing facing, wearing crown and loros, holding labarum with pellet on shaft in his right hand and globus cruciger in his left. DOC 1b. SB 1847. Struck from somewhat worn dies, otherwise, about extremely fine.