Works of art made of common metals and their alloys; bronzes; busts made of common metals and their alloys; statues and statuettes made of common metals and their alloys; gravestones of metal; monuments for graves and memorials made of common metals and their alloys; memorial plaques and plates made of common metals and their alloys; money clips and key rings made of common metals and their alloys; bird baths made of metal; common metals and their alloys; goods in this class made of common metals and their alloys; unwrought and semi-wrought brass, copper, iron, steel and other common metals