BYZANTINE EMPIRE. Constantine VII Porphyrogenitus, with Romanus I and Christopher, 913-959. Solidus 924-931, Constantinople. DOC 7. AU. 4.20 g. VF-XF cleaned
From the J. M. A. L. collection formed between 1970 and 2000; Ex. Münzen und Medallien AG Basel list 541, March 1991, lot 48.