Shrade Walden MC-1 paratrooper knife issued 1957 to 1972 to all flight crews. Blade deploys with pushbutton and locks closed with slide button. Blade has a bit of play in open position which is very common in these. hook blade is used to cut parashute cords. Camillus camp knife is military issued dated 1967. Thumb stud on bottle opener is broken off. Great Vietnam War era collectibles. price is firm on this low price.