Workshop of Ahmed Tekelü, ‘Short Sword (Yatagan) from the Court of Süleyman the Magnificent (reigned 1520–66)’, ca. 1525–1530, The Metropolitan Museum of Art

Turkish, Istanbul; L. 23 3/8 in. (59.3 cm); L. of blade 18 3/8 in. (46.7 cm); Wt. 1 lb. 8 oz. (691 g)
http://www.metmuseum.org/art/collection/search/24953

Image rights: The Metropolitan Museum of Art (Purchase, Lila Acheson Wallace Gift, 1993), licensed under CC0 1.0 Universal