BYZANTINE EMPIRE. Manuel I. Commenus. 1143-1180 AD. Æ 1/2 Tetrateron (1.90 gm; 16 mm). Uncertain Greek mint. Monogram with MK?? at four compass points / Bust of Manuel facing, wearing crown with pendilia, holding labarum and globus cruciger, no legend. Sear 1979. Nice brown reddish patina. Choice Good VF.