1975 Single Blade CASE XX USA P137 SS Kentucky Bicentennial Pocket Knife. 3-5/8 inches closed. 6-1/2 inches open. Made in USA. " CASE XX STAINLESS U.S.A. ***** " (5 dot) and "P137 SS" tang stamps. Blade etched "Case's XX KENTUCKY'S BICENTENNIAL 1774 - 1974" with image of a bird and a pioneer in 3 colors. Wood handle. Brass liner. With original box.