"A photograph is usually looked at - seldom looked into."
You really need to look "into" a double exposed photo.
The above mentioned quote seems to be even more important for a double exposed photo. There is so much to find in these photos and by reloading the film and having no idea what you double expose, it's always a big surprise to see the developed results.
Some photos might look like a "normal" photo but looking into them you will find so many interesting details. This is a small selection of a few of my favorites doubles.
Take your time and don't just look at them.