i have a sheath knife made by ontario knife co...it is one of 3 knives named for each of 3 finger lakes that are in or touch ontario county....the 3 are seneca, cayuga, and keuka....i have a mint in box oc3 cayuga....i have searched my reference guides with no success and have contacted ontario knife also with no results other than these were discontinued some time ago...i am trying to find production dates and production numbers.... and of course a value if possible...thanks for your help..........walt