Watch List notes:

THE BYZANTINE EMPIRE
Constantine VII Porphyrogenitus, 6 June 913 – 9 November 959, with colleagues from 914

Solidus 921-931, AV 4.41 g. +IhS XPS REX – REGNANTIYM Christ enthroned facing, wearing nimbus, raising r. hand in benediction and holding book of Gospels in l. Rev. ROMAn ET XIISTOFOΛY GG I Facing busts of Romanus on l., and Christopher on r., both crowned and wearing loros and chlamys respectively and holding long patriarchal cross between them. DO 7. Sear 1745.
A nick on edge at 11 o'clock on reverse and minor marks,
otherwise good very fine