<p>Stamp of Germany (Berlin (West)); 1977; commemorative stamp to the "15th European Art Exhibition, Berlin, 1977"; stamp drawing with a painting of <a href="https://de.wikipedia.org/wiki/George_Grosz" class="extiw" title="de:George Grosz">George Grosz</a> (1893–1959); stamp postmarked<br><b>Stamp</b>: Michel: No. 551; Yvert et Tellier: No. 513; AFA: No. 549; Scott: No. 9N410<br><b>Color</b>: multicolored on luminescent paper<br><b>Watermark</b>: none<br><b>Nominal value</b>: 70 (Pfennig)<br></p>
<b>Postage validity</b>: from 13 July 1977 until 31 December 1991 <div style="display: none;">date QS:P,+1950-00-00T00:00:00Z/7,P580,+1977-07-13T00:00:00Z/11,P582,+1991-12-31T00:00:00Z/11</div><br><b>Stamp picture size</b> (printed area without year number): 21.0 x 39.0 mm
"Deutsche Bundespost Berlin"
scan of original