The gun is a "Trade Brand Name" shotgun made some time between1900 and 1940. A "Trade Brand Name" shotgun is one that was made bya major maker for and was sold by a wholesale sporting goodsdealer, a retail chain store or an independent seller (your localhardware store) who chose the name to go on the gun. Guns with thename NITRO HUNTER were made by one of three makers, either CrescentFire Arms Company of Norwich, CN (1892 to 1930+), the W. H.Davenport Arms Company, also of Norwich (1878 to 1910) or theStevens Arms & Tool Company of Chicopee Falls,MA (1864 to date)for and was sold at wholesale by the Belknap Hardware Company ofLouisville KY, a wholesale sporting dealer.