Manuel I Comnenus, 1143-1180. Half Tetarteron (Copper, 20 mm, 3.15 g, 6 h), heavy standard, Thessalonica, circa 1143-1152. Crowned half length bust of Manuel, holding labarum and globus cruciger. Rev. Cruciform monogram of Manuel Comnenus. DOC 20. SB 1977. An unusually heavy example. Very fine.