I used to do something I called EnvelArt. I would draw/paint on envelopes, then mail them to people. One day I walked into the post office to buy stamps to mail one of these and the clerk called all the other employees up front to meet the person they had been talking about for months. Looks kinda like this:
My mom and my sister kept every one they received, which is how I got them back to scan into the computer.
My mom and my sister kept every one they received, which is how I got them back to scan into the computer.