Michael. Emperor of Trebizond, 1344-1349. AE Trachy 22mm, 1.91 gr. 

EVGEN, Half-length figure of St. Eugenius, holding long cross
XMI-M, Draped facing bust of Michael, holding trilobate sceptre and shield. 
Retowski 7-10 var. (legends); SB 2627. VF. Rare. 

Used with permission of CNG (cngcoins.com)
CNG 90, Lot: 1967. Estimate $200.
Sold for $650.