BYZANTINE EMPIRE. John II Comnenus. 1118-1143. Æ half tetarteron. 2.03 gm. 14 mm. Thessalonika mint. Struck 1137-1143. Christ standing facing on dias; IC XC flanking / Facing bust of John, holding labarum and globus cruciger; IωΑ to left. SB 1954. DOC 16b. Good Very Fine; some flatness but unusually fine details for type; pleasing glossy dark green patina.