Constantine IX Monomachus, 1042-1055. Histamenon (Gold, 27 mm, 4.38 g, 6 h), Constantinopolis, 1054-1055. +IhS XIS RЄX RЄςNANTIҺm Nimbate bust of Christ facing, wearing tunic and pallium, raising his right hand in benediction and holding book of Gospels in his left. Rev. +CωnSTAҺTnO bASILEЧS Rm Bust of Constantine IX facing, wearing loros decorated with a star and crown with pendilia, holding globus surmounted by simple cross in his right hand and sword in his left; in field to left and in field to right, eight-pointed star. DOC 4a. SB 1831. Rare and in exceptional condition for this interesting issue. Good extremely fine.
The stars on the reverse are likely the rendering of a supernova, which was, according to contemporary Japanese and Chinese astronomers, visible on the firmament in 1054.