Sec. 490. No person or corporation within the limits of this State shall sell or offer for sale any pistol, rifle, cartridge or pistol cartridge less than .45 caliber, or metal knuckles, without first obtaining a license from the county in which such person or corporation is doing business so to do. The County Board of Commissioners of the several Counties of this State are authorized to issue licenses in their respective Counties for the sale of pistols and pistol and rifle cartridges of less than .45 caliber, and metal knuckles, upon the payment to the County Treasurer by the person or corporation so applying for said license of the sum of twenty-five dollars annually; and any person who shall sell or offer for sale any pistol, or pistol or rifle cartridge of less than .45 caliber, or metal knuckles, without having obtained the license provided in this Section shall be deemed guilty of a misdemeanor, and on conviction shall be punished by a fine not exceeding five hundred dollars, or by imprisonment not exceeding one year, or both, at the discretion of the court.