hello,i am a new member and i have a markings question.this combat knife has a 7 inch long blade thats wide and curved with blood groove.stacked leather 5 groove handle with flat round end cap.blade is 70%black dull finish,end cap has olive paint.left side has U.S. and CAMILLUS below that,no other markings.knife is old,not a repo.what war would this have been issued in?