<p>Stamp of the German Empire; 1921; definitive stamp of the issue "Number drawings"; watermark Germany No. 1 (rhombs); postmarked in Mahlsdorf (Berlin-Mahlsdorf), 1922<br><b>Stamp</b>: Michel: No. 159a; Yvert &amp; Tellier: No. 139 (DR); Scott: No. 138 (DE)<br><b>Color</b>: green olive to dark brown olive <i>(black olive as variety = Michel No. 159b)</i><br><b>Watermark</b>: Germany No. 1 (rhombs) <i>(not watermark No. 2 (waffles) = Michel No. 178 from 1922)</i><br><b>Nominal value</b>: 10 (Pfennig)<br></p>
<b>Postage validity</b>: from May 1921 until 30 September 1923 <div style="display: none;">date QS:P,+1921-00-00T00:00:00Z/8,P580,+1921-05-00T00:00:00Z/10,P582,+1923-09-30T00:00:00Z/11</div><br><b>Postmark</b>: <a href="//commons.wikimedia.org/wiki/Category:Berlin-Mahlsdorf" title="Category:Berlin-Mahlsdorf">Mahlsdorf</a> (since 1920 part of Berlin (part of the "Bezirk Lichtenberg"); contemporary part of the "Bezirk Marzahn-Hellersdorf" of Berlin), <time class="dtstart" datetime="1922-09-26" lang="en" dir="ltr" style="white-space:nowrap">26 September 1922</time><i>(two-circle postmark with passing through date fess, 29 mm outer circle, empty inner area)</i>
Deutsche Reichspost
scan of original