Postage stamps
Swedish postage stamps with Reutersvärd's impossible figures that were printed at 1982. Click on a stamp to see it in better quality.

A first day cover (FDC) with this stamps you can see below. It was found at http://fnys.smult.com/kanda-personer/Breb-kanda-personer-N-O/fnys-O-Reutersv.jpg/view.
