Have not seen this one discussed....
https://www.ebay.com/itm/1974-BMW-Other/323643836937?hash=item4b5aad0a09:g:OvgAAOSwEp5cNnB4&vxp=mtr
Looks potentially solid from here.
https://www.ebay.com/itm/1974-BMW-Other/323643836937?hash=item4b5aad0a09:g:OvgAAOSwEp5cNnB4&vxp=mtr
Looks potentially solid from here.