Early Kershaw 1040 Folding Field II. Tang stamp: Kershaw Oregon USA, the other side 1040. Japan. The Kai corporation is not mentioned. 
Features:  Stainless steel blade. Jimping on blade spine. Grooves. Brass bolster, brass integral guard and brass liners. Lockback locking mechanism. Nail nick for opening. Wood handle. 
Specifications: Blade material: AUS-8 high carbon stainless steel. Handle: Malayan sandalwood. Blade length: 2-5/8(6.5cm). Closed length: 3-3/4"(9.5cm). Overall length: 6-3/8"(16cm). Made in USA from Japanese steel. 
Pictures are part of the description. Please read the item condition. 
Free USPS First Class Shipping within the USA.
USPS International Service. Import duties, taxes and customs fees are not included in the price or shipping rate. These charges are the Buyer’s sole responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to buying. Duties, taxes and customs charges are collected by the shipping company delivering the package.