Very old F.A.KOCH bone jumbo jack knife pocketknife

This is a very old F.A.Koch & Co. New York ( 1874-1933) jumbo jack knife with smooth pocketworn bone handles.The knife is 4" long closed and has 2 blades that are both stamped with the name above.The bone handles do have a couple of cracks around the pins and some small chips missing around one bottom edge.The blades are darkened and have some blade loss , but both have very good snap.The bolsters also have darkened and have some pitting.Overall a nice old knife from a little known company.Buyer pays 3.50 shipping.I accept MONEY ORDER ONLY.Please see my other auctions for more neat stuff.Thanks