Constantine IX Monomachus. 1042-1055. AV Histamenon Nomisma (26.5mm, 4.36 g, 6h). Constantinople mint. Struck 1049-1053. Facing bust of Christ Pantokrator; upturned crescent in upper two quarters of nimbus / Crowned facing bust of Constantine, holding long cross and globus cruciger. DOC 3; SB 1830. Ding in left obverse field, a few light scratches and marks. Good VF.