Manuel I Comnenus. 1143-1180. Æ Half Tetarteron (19mm, 3.10 g, 6h). Thessalonica mint. Struck circa 1143-1152(?). Monogram of Manuel / Crowned half–length bust of Michael, holding labarum and globus cruciger. DOC 20; SB 1977. Green patina, earthen deposits, chipped around edge. VF.