Byzantinske kejserdømme, samling billon Aspron Trachy, Alexius Comnenus, 1081–1118, Sear 1936, John II Comnenus, 1118–1143, Sear 1943, Manuel I Comnenus, 1143–1180, Sear 1966, Andronicus I Comnenus, 1183–1185, Sear 1985, Isaac II Angelus, 1185–1195, Sear 2003, Alexius III Angelus-Comnenus, 1196–1203, Sear 2012, i alt 6 stk.