Upright signboards of common metal; Identity plates of common metal; Nameplates of common metal; Metal holders for signboards; Road signs, non-luminous and non-mechanical, of metal; Placards of metal; Non-luminous and non-mechanical traffic signs of metal; Non-luminous and non-mechanical signs for roads of metal; Signs, non-luminous and non-mechanical, of metal; Non-luminous and non-mechanical metal signs