§21-839.3.

§21-839.3.
   
   Nothing contained in this act shall be so construed as to prevent any
   person, firm or corporation, practicing the profession of photography,
   from exhibiting in or about his or its establishment specimens of the
   work of such establishment, unless the same is continued by such
   person, firm or corporation after written notice objecting thereto has
   been given by the person portrayed; and nothing contained in this act
   shall be so construed as to prevent any person, firm or corporation
   from using the name, portrait or picture of any manufacturer or dealer
   in connection with the goods, wares and merchandise manufactured,
   produced or dealt in by him which he has sold or disposed of with such
   name, portrait or picture used in connection therewith; or from using
   the name, portrait or picture of any author, composer or artist in
   connection with his literary, musical or artistic productions which he
   has sold or disposed of with such name, portrait or picture used in
   connection therewith. Provided that this act shall not prevent the
   continued use of names of such persons by business establishments
   using such names and displaying such names at the effective date of
   this act.