Constantine IX (AD 1042-1055), Gold Tetarteron Nomisma, 4.0 gms., IHS XIS REX REGNANTINM bust of Christ, nimbate, facing, raising right hand in benediction, rev. +CWNSTANTN BASILEUS RM, bust of Constantine facing wearing crown and jeweled chlamys, holding sceptre and globus cruciger (DO 5), choice very fine