<p>Real used business letter cover from the Soviet occupation zone of Germany, 1948, letter from Thuringia ("Landesversicherungsanstalt Thüringen - Kreisdirektion Rudolstadt") (former: "German health insurance for officials"); postmarked in <a href="//commons.wikimedia.org/wiki/Category:Rudolstadt" title="Category:Rudolstadt">Rudolstadt</a> (contemporary Thuringia in Germany), 1948<br><b>Stamp</b>: Michel: No. 220; Yvert &amp; Tellier: DD-ZS No. 40; Scott: DD No. 10N37<br><b>Color</b>: carmine red to black rosy<br><b>Watermark</b>: Germany - Soviet occupation zone, No. 3 (cross flowers)<br><b>Nominal value</b>: 24 (Pfennig)<br></p>
<b>Postage validity</b> of the stamp: from 4 November 1948 until 28 February 1954 <div style="display: none;">date QS:P,+1950-00-00T00:00:00Z/7,P580,+1948-11-04T00:00:00Z/11,P582,+1954-02-28T00:00:00Z/11</div><br><p><b>Stamp picture size</b>: 18.75 x 22.75 mm<br></p>
<b>Postmark</b>: <a href="//commons.wikimedia.org/wiki/Category:Rudolstadt" title="Category:Rudolstadt">Rudolstadt</a> (Thuringia/Germany), <time class="dtstart" datetime="1948-12-01" lang="en" dir="ltr" style="white-space:nowrap">1 December 1948</time><i>(two-circle postmark with non-through date fess and empty inner area, large size, 29 mm outer circle)</i>
Deutsche Post (Allied Control Authority - Soviet occupation zone)
scan of original