§ 391. Marking retreaded, recapped or recut tires. No person, firm, association or corporation shall sell, offer or expose for sale, or have in his possession with intent to sell any motor vehicle tire or motor cycle tire which has been retreaded or recapped unless the fact that such tire has been retreaded or recapped and the name and address of the person, firm, association or corporation which has done the retreading or recapping is plainly shown by a mark or label in the English language on both side walls thereof. No person, firm, association or corporation shall sell, offer or expose for sale, or have in his possession with intent to sell, any motor vehicle tire or motor cycle tire which has been recut or regrooved. Except that there shall be no prohibition against the sale of regrooved or recut commercial vehicle tires which are designed and constructed in such a manner that regrooving or recutting is an acceptable and safe practice. A violation of this section shall constitute a misdemeanor.