Watch List notes:

Constantine X Doukas (1059-1067), Histamenon Nomisma, Constantinople, AD 1062-1065; AV (g 4,35; mm 27; h 6); Christ Pantokrator enthroned facing, Rv. Constantine standing facing, holding labarum with pellet on shaft and globus cruciger. DOC 1a; Sear 1847.
An very nice specimen, well struck in a much better gold alloy than usually seen for this ruler; extremely fine - good extremely fine.