This Winchester manufactured straight slot butt plate screw is for the model 1897 slide action shotgun and is in very good condition exhibiting a grayish brown patina with light wear. (file photo)
Note: Winchester model 1897 slide action shotguns with the following gauges and serial numbers have been observed with this part:
12 Gauge: 74589, 107227, 645103 & 715713
16 Gauge: 962028