Watch List notes:

Manuel III, emperor of Trebizond, 1390-1417. Asper (Silver, 16 mm, 1.19 g, 6 h). O-A EΓ/N-O St. Eugenius on horseback to right holding long cross; below, lis. Rev. M-A-O/HΛ Manuel on horseback right; below, star; to right, K. Retowski 5. SB 2637. Bright and clear. About extremely fine.