This factory manufactured front lockplate screw is for the Iver Johnson Sporting Goods Co. Knox-All Hammerless double shotgun in 12 & 20 gauge and is in very good condition exhibiting a grayish brown patina with light slot wear. Each lockplate requires one of these screws. (file photo)

Note: Iver Johnson shotguns with the following serial numbers have been observed with this part:

12 gauge: 94632, 184436 & 190946

20 gauge: 75043