The Empire of Trebizond. Manuel I Comnenus (1238-1263). AR Asper with St. Eugenius and the Emperor. D/ The Emperor standing facing holding a processional cross. R/ St. Eugenius standing facing holding a processional cross. Retowsky 11. Bendall 20. AR. g. 2.28 mm. 21.00 Variety with floreal fantasy at the reverse. About EF.