As Jennysathome pointed out, they used the same backdrop in the 1978 pageants but added a small bamboo hut on one end of the stage. In the
Ms Nude International (USA) competition there is also a headshot of someone (Elvis Presley?) in the centre. However I don't have any pictures of the pageant and only one of the winner - Karen Dupras.
There's a short (poor quality) clip of the event which is on the "Free File Hosting Sites" forum -
https://forum.oneclickchicks.com/show...79&postcount=5