National Arms Co. .41 caliber single shot derringer. Action works perfectly. Bore has very strong rifling and some light corrosion in the grooves. Frame is factory silver plated, with approximately 90% of the silver with some tarnish. Barrel has approximately 30-35% silver plate. Grips are checkered wood and are near excellent. No chips, no cracks just a small bit of varnish worn on the wood. 2 1/2"" Barrel length. Very good factory engraved National.