Alexius I, 1081-1118AD, Class J Anonymous Follis, 1081-1118 AD. Constantinople. 

IC-XC to left and right of bust of Christ facing, cross behind head,
holding gospels and raising right hand. )-C at upper left and right.
Cross with globe and two dots at each end of the arms, X in centre, large crescent below, around the cross are four more globes 
surrounded by small dots.

SB 1900, DOC p. 700-701

Courtesy of www.wegm.com, May 2011.