20 Furniture, mirrors, picture frames; goods, not included in other classes, of wood, cork, cane, rattan, wicker, horn, bone, ivory, whalebones, shells, amber, mother-of-pearl, meerschaum, and substitutes for all these materials and of plastics, namely, display stands for selling goods; sculptures of bone, ivory, plaster, plastic, wax or wood; statuettes of bone, ivory, plaster, plastic, wax or wood; figurines of bone, ivory, plaster, plastic, wax or wood