Constantine IX Monomachus, 1042-1055. Histamenon (Gold, 27 mm, 4.44 g, 6 h), Constantinopolis, 1054-1055. +IhS XIS RЄX RЄGNANTIҺm Christ enthroned facing, wearing nimbus crown, pallium and colobium, raising his right hand in benediction and holding book of gospels in his left. Rev. +CωnSTAnTn bASILEЧS Rm Bust of Constantine IX facing, wearing loros and crown with pendilia, holding globus surmounted by simple cross in his right hand and hilt of sword in his left; in left field, eight-pointed star; in right field, eight-pointed star. DOC 4. SB 1831. Rare. Very minor flan fault on the obverse, otherwise, extremely fine.
The stars on the reverse are likely the rendering of a supernova, which was, according to contemporary Japanese and Chinese astrologers, visible on the firmament in 1054