Digital stamp of Deutschen Post AG with a logo of <a href="//commons.wikimedia.org/wiki/Wikimedia_Commons" title="Wikimedia Commons">Wikimedia Commons</a> (<a rel="nofollow" class="external text" href="https://www.plusbrief-individuell.de">www.plusbrief-individuell.de</a>). Privately designed and funded.
<a href="//commons.wikimedia.org/wiki/User:Mattes" title="User:Mattes">User:Mattes</a>
2009-07-10
<span class="int-own-work" lang="en">Own work</span> scan (Hewlett-Packard Photosmart C5280, 300 dpi, million colors, High quality)