Latest Update: changed the title of this page, so it’s more general, and added Post Office Drawings to it.
I wonder who owns the copyright on these results? If the postie made the marks, do they own the copyright?
Post Office Drawings
Make a box of some sort, with paper on the inside surface. Insert something that will make marks as it rattles about inside there. In the example a ball of pencil stubs does the job inside a tube, but there must be lots of options.
Interesting idea – tape a disposable camera to a sheet of card, so it can be used in-place. Put notes on the card asking the postal workers who handle the card to take pictures with it. Then post it to a friend. Get them to develop the film and see what you get. That’s what Kyle did…