N.H. Rev. Stat. § 322:1
The governing body of any town, city, or unincorporated place, may, in their discretion, license suitable persons to be dealers in and keepers of shops for the purchase and sale, or barter, of old junk, old or scrap metals, old or second-hand bottles, cotton or woolen mill waste, unfinished cloth, cotton or woolen mill yarns in an unfinished state, not of family manufacture, or second-hand articles, excepting furniture and books, within their respective cities, towns, or unincorporated places, or to accumulate, store or handle said commodities therein for the purpose of sale or barter elsewhere, or as bailees for others, and may determine and designate the place where the business is to be carried on, and the place where the commodities aforesaid may be accumulated, stored or handled, under such license.
RSA 322:1
GS 109:1. GL 120:1. 1883, 74:1. PS 124:1. 1905, 76:1. 1907, 73:1. 1917, 94:1. PL 159 :1. RL 190:1. 2008, 287:2, eff. June 27, 2008.