1. For the purposes of this Directive, "original work of art" means works of graphic or plastic art such as pictures, collages, paintings, drawings, engravings, prints, lithographs, sculptures, tapestries, ceramics, glassware and photographs, provided they are made by the artist himself or are copies considered to be original works of art.
2. Copies of works of art covered by this Directive, which have been made in limited numbers by the artist himself or under his authority, shall be considered to be original works of art for the purposes of this Directive. Such copies will normally have been numbered, signed or otherwise duly authorised by the artist.