My knife measures 3-1/4" long it has 2 blades one pen like and another some longer but about the same style. Both blades are tang stamped with the tested 1920-1940 stamp the longer blade has 6265 with XX stamped over it. The handles are a redish greenish bone.(excuse the scientific color description) The shield shows a closed c.On page 120 of Sargents 7th edition, he shows a 6165 large frame hunter with a 1914-1919 Bradford production date. Now if that's true then the mystery is, WHEN WAS…