Vintage and from the same estate sale.... THIS IS AN EARLY "I.K. Co." knife.  MADE IN THE USA.  I believe it is from the 1940's or so. GREAT LOOKING HANDLE!  PLEASE SEE PICTURES. Condition:  Handle has no cracks or chips.  Still has the loop which is usually missing..  The blade has some signs of age but no chips. 3 1/2" when closed including the hoop. Location D2-9