A pawnbroker may not display for sale in a storefront window or sidewalk display case or depict on a sign or advertisement in such a way that the item, sign, or advertisement may be viewed from a street:
(1) a pistol;
(2) a dirk;
(3) a dagger;
(4) a blackjack;
(5) a hand chain;
(6) a sword cane;
(7) knuckles made of metal or any other hard substance; or
(8) a switchblade, springblade, or throwblade knife.