Vintage and from the same estate sale....
 
Vintage Imperial Knife Company pocket knife.  MADE IN THE USA.  "Kamp-King"  4 blade.
 
GREAT LOOKING HANDLES!  PLEASE SEE PICTURES.
 
Condition:  Snap left on all four blades.  Handle has no cracks or chips.  The blades have some signs of age but will clean up or even polish nicely. Still has its loop. 
 
3 3/4" when closed.
 
Location D2-18