<p>Business-Letter from Germany; 1948; Soviet Occupation Zone; with definitive stamp of the issue "Personalities"; letter from the safe-building firm "Geldschrankbau Feuerfest" (former "Carl Kästner AG" in Leipzig to the local energy distributor; postmarked with machine postmark (with advertisings), Leipzig, 1948<br><b>Stamp</b>: Michel: No. 218; Yvert &amp; Tellier: No. 38 (DD-ZS); Scott: No. 10N35 (DD)<br><b>Color</b> (stamp): greenish blue to dark greenish blue<br><b>Watermark</b> (stamp): Germany (Soviet Zone), No. 3 (cross flowers)<br><b>Nominal value</b> (stamp): 16 (Pfennig)<br></p>
<b>Postage validity</b> (stamp): from 16 October 1948 until 28 February 1954 <div style="display: none;">date QS:P,+1950-00-00T00:00:00Z/7,P580,+1948-10-16T00:00:00Z/11,P582,+1954-02-28T00:00:00Z/11</div><br><i>(The stamps of this issue of the Soviet zone were not accepted in Berlin (West) in the time from 14 June 1949 until 15 September 1949 <div style="display: none;">date QS:P,+1949-00-00T00:00:00Z/9,P580,+1949-06-14T00:00:00Z/11,P582,+1949-09-15T00:00:00Z/11</div> (= "Berlin Post War").)</i><br><b>Postmark</b>: <a href="//commons.wikimedia.org/wiki/Category:Leipzig" title="Category:Leipzig">Leipzig</a>, <time class="dtstart" datetime="1948-12-29" lang="en" dir="ltr" style="white-space:nowrap">29 December 1948</time><i>(machine-postmark with advertisements, two-circle postmark with non-through date fess, great size, 29 mm outer circle)</i>, advertisement for early diagnosis of pulmonary tuberculosis
<p>"Deutsche Post" under supervision of the Allied Control Authority - Soviet Zone <i>stamp)</i><br></p>
"Geldschrankbau Feuerfest" (former "Carl Kästner AG"), Leipzig <i>(envelope)</i>
scan of original