The rare vintage WWII ERA  H.G. Long & Co. handcrafted OSS 3" lapel dagger  thumb knife is a unique first of 100 and collectible piece made of carbon steel with a sulver blade color. This combat-style knife has a spear point blade with a 2-3 inch length, perfect for collectors and enthusiasts of vintage custom and handmade knives. The included sheath make it a functional and stylish addition to any knife collection. EXCELLENT COND.