I used to do picture framing, and often we'd find weird things in the backs of frames. Once I found a crazy creepy double exposure photo of naked little girls with crosses burned on their foreheads inside a SEALED new cheapo frame a customer brought us from Kmart. I'll try to find that one for you.
This is the most interesting thing I ever found though. There's another example of this antique Robinson Crusoe wallpaper online, in the V&A Museum collection. They date it 1875. You can also find it available reprinted in miniature for dollhouses. Keep in mind that this is nursery wallpaper when you read the captions...
Robinson Crusoe and his man Friday
Robinson Crusoe finds footprints in the sand
Robinson Crusoe and Friday firing on the savages
Robinson Crusoe going out shooting
Robinson Crusoe at dinner with his family.
Robinson Crusoe rowing from the wreck