Signs, signboards and sign stands; sign sections and panels, all for use in advertising; advertising and display holders adapted to display images and advertisements on staircases, including stair risers and stair treads; lockable advertising and display holders; large advertising road signs and billboards; all of the above being non-luminous, non-mechanical and made wholly or principally of metal; replacement parts and fittings, namely, replacement sign sections and metallic parts for signs,...