Before a license issued pursuant to this article shall be valid the licensee shall affix his signature thereto in the presence of the county clerk or a duly authorized representative thereof, who shall sign as witness, and who shall affix thereto a photograph of the licensee which shall be supplied by the licensee, and shall be two inches by three inches in size. No license shall be valid without the photograph attached.
N.J.S. § 45:24-11