John II Comnenus (1118-1143 AD). Thessalonica
AE Half Tetarteron (19,4m 2,1g)
Obv: St. Demetrius nimbate, facing, no beard, standing, holding jeweled scepter in right hand and shield in left hand.
Rev: Crowned bust of John II facing, wearing jewelled chlamys, holding labarum and cross on globe.
SB 1955.