Alexius III. Billion Aspron Trachy; Alexius III; 1185-1204. Constantinople, BI Aspron Trachy, 3.73g. Sear-2011/13. Obv: Nimbate bust of Christ facing, raising hand in benediction and holding Gospels, IC - XC across field. Rx: Legend not struck up, Alexius and St. Constantine standing facing, holding cross on globe between them.. MS