Upon the issuing of a license as hereinbefore provided, the court of quarter sessions shall issue to each such person, individual member of a partnership or association, or officer of a corporation making and filing a statement required by section 4 of this act,¹ a pocket card, of such size and design as such court may prescribe, which card shall contain a photograph of the licensee, the name and business address of the licensee, and the imprint or impress of the seal of the court, and also a metal shield or badge, of such shape and description and bearing such inscription as the court may designate, which pocket card and badge shall be evidence of due authorization pursuant to the terms of this act. All persons to whom such license certificates, pocket cards, shields or badges shall have been issued shall be responsible for the safe keeping of the same, and shall not loan, let or allow any other person to use, wear or display such certificate, pocket card, shield or badge. No person shall wear or display any license certificate, pocket card, shield or badge, purporting to authorize the holder or wearer thereof to act as a private detective or investigator, unless the same shall have been duly issued pursuant to the provisions of this act. Failure to comply with the provisions of this section shall be sufficient cause for revocation of such license, and all such certificates, pocket cards, shields and badges shall be returned to the court of quarter sessions within seventy-two hours after the holder thereof has received notice in writing of the expiration or revocation of such license. No person, except as authorized in this section, shall wear or display a shield or badge of any design or material, purporting to indicate that the wearer or bearer thereof is a private detective or investigator or is authorized to act as a private detective or investigator, unless required by law to do so. Any person violating the provisions of this section shall be guilty of a misdemeanor, and, upon conviction thereof, shall be sentenced to pay a fine of not more than five hundred dollars ($500) or to undergo imprisonment for not more than one (1) year or both.