There are very few trachy types that have a legend on the obverse in addition to IC XC. This one from the reign of Alexius III might be a match. In addition to that obverse legend, there might be a legible letter A on each side of the figures on the reverse of your coin, which could fit with the reverse legend.
N#86045
https://www.acsearch.info/search.html?id=13016769
Sear (Numista BCV) #2012-2013.