Manuel I Comnenus, 1143-1180. Half Tetarteron (Bronze, 20 mm, 2.70 g, 6 h), heavy standard, Thessalonica, circa 1143-1152. Crowned half length bust of Michael, holding labarum and globus cruciger. Rev. Cruciform monogram of Manuel Comnenus. DOC 20. SB 1977. A clear example. Very fine.