The first in 1971 to 1973 and last in 1990 to 1993. The blade is made of 1095 carbon steel. Thank you for looking and please see the pictures. This item is in the category "Collectibles\Knives, Swords & Blades\Collectible Fixed Blade Knives\Vintage Fixed Blade Knives\Factory Manufactured".The seller is "ronnie59hb" and is located in this country: US. This item can be shipped to United States.