Ottoman dagger, 19th century, steel, gold, jade, diamond, sapphire, ruby, emerald, L. with sheath 17 9/16 in. (44.6 cm); L. without sheath 15 15/16in. (40.5 cm); L. of blade 11 3/16 in. (28.4 cm); W. 2 5/16 in. (5.9 cm); D. 3/4 in. (1.9 cm); Wt. 9.7 oz. (275 g); Wt. of sheath 5.3 oz (150.3 g), Met Museum.
Ottoman Empire calligraphic ornament on mail and plate kolçak aka greaves or shin armor worn by fully armored cavalrymen or sipahi. Museums often confuse kolçak (greaves) for kolluk/bazu band or arm guards.