<p>Stamp of the German Empire; 1921; definitive stamp of the issue "Number drawings"; watermark Germany No. 1 (rhombs); postmarked in Berlin, 1921<br><b>Stamp</b>: Michel: No. 160; Yvert &amp; Tellier: No. 140; Scott: No. 139 (DE)<br><b>Color</b>: green blue to dark greenish blue<br><b>Watermark</b>: Germany No. 1 (rhombs) <i>(not watermark Germany No. 2 (waffles) = Michel No. 179 from 1922)</i><br><b>Nominal value</b>: 15 (Pfennig)<br></p>
<b>Postage validity</b>: from August 1921 until 30 September 1923 <div style="display: none;">date QS:P,+1921-00-00T00:00:00Z/8,P580,+1921-08-00T00:00:00Z/10,P582,+1923-09-30T00:00:00Z/11</div><br><b>Postmark</b>: <a href="//commons.wikimedia.org/wiki/Category:Berlin" title="Category:Berlin">Berlin O</a>, <time class="dtstart" datetime="1921-10-22" lang="en" dir="ltr" style="white-space:nowrap">22 October 1921</time><i>(one-circle postmark, 24 mm outer circle, one-line date area)</i>
Deutsche Reichspost
scan of original