...STEGANOGRAPHY...
...The image is from the Boxall ROK, the head of the seated figure on the inscription page...
I have been working on various aspects of the case including the Boxall ROK. I used my own method to develop the image you see that has been tested. It's one of many. If you look carefully at the image of the Fez, you should be able to make out other instances apart from that in the headband area highlighted.
Releasing this image re-ignites the whole issue of just who was involved in the case and what role they may have played. I want to clarify that in my view neither Alf Boxall nor Jestyn were involved on the wrong side of the fence.
We now know that it is very likely that the man found on Somerton Beach that day was involved in some kind of espionage activity. Knowing what he was brings us closer to knowing who he was...