The W.R. Case & Sons Cutlery Company has a very rich history that began in 1889 when William Russell (“W.R.”), Jean, John, and Andrew Case began fashioning their knives and selling them along a wagon trail in upstate New York. The company has produced countless treasures and it continues to do so as one of the most collected brands in the world.
Knife is a Case Tested model 62-5 with integral guard and likey had jigged green bone handles originally. I would not call it a common knife but in it's current pitted and rehandled condtion it would not have much collector value. It could still be a great using knife.
If I have seen further it is by standing on the shoulders of giants.
Well what I meant by “common” was you see them often. I had 2 at one time. Both had green bone scales. A friend now packs one of them in his hiking gear