After posting this shot earlier today I knew someone would be able to identify where the image came from or who took it and as usual Simon came up trumps! Not only did he identify the image as taken by Zoltan Glass, but he scanned and sent me the original article below!
The following set came from Lilliput Magazine December 1952, Vol 32 No. 1 Issue 187, so my initial guesstimate wasn’t far off!
Thanks must go to Simon for scanning this from his own personal Pam archive 🙂