with inscription of TOLEDO I.N.I. and shows serial # E T 36775 C the Knife bayonet for use on the 7.6 mm. NATO caliber CETME assault rifle. Also fits on the FR–8 training rifle, was made at Toledo, INI, Spain, probably in the 1970s. The M1969 has checkered plastic grips and an unfullered bolo blade profile. The scabbard has an integral web belt frog. This bayonet has a very unusual rectangular mounting slot. A distinctive variant with smooth grips and a fullered blade was also made for export to Guatemala. CETME is an acronym for Centro de Estudios Técnicos de Materiales Especiales (Center for Technical Studies of Special Materials). CETME was the Spanish government design and development establishment where German designer, Ludwig Vorgrimler, modified the German StG45(M) assault rifle to create the CETME. The Blade measures approx 8.75" is black and comes with the Maker Marking on one side of blade-" Empresa Nacional Santa Bárbara de Industrias Militares" and the Spanish Army Crest on the other side. The overall length of bayonet is approx. 13.5", great lot to add to your collection!!