During Led Zeppelin 's tour of the United Kingdom in winter 1971 shortly after the album 's release , the symbols could be seen on the group 's stage equipment ; Page 's on one of his amplifiers , Bonham 's on his bass drum head , Jones ' on a covering for his Rhodes piano , and Plant 's on the side of a PA cabinet . Only Page 's and Bonham 's symbols were retained for subsequent tours
tour of the United Kingdom
Led Zeppelin United Kingdom Tour Winter 1971
Led Zeppelin IV