<p>Stamp of Denmark; 1920; commemorative stamp of the issue to the "Incorporation of Northern Schleswig to the state area of Denmark"; drawing of the <a href="//commons.wikimedia.org/wiki/Category:S%C3%B8nderborg_Slot" title="Category:Sønderborg Slot">Castle of Sønderborg</a>; postmarked<br><b>Stamp</b>: Michel: No. 111; Yvert &amp; Tellier: No. 124; AFA: No. 113; Scott: No. 157<br><b>Color</b>: blue to slate blue<br><b>Watermark</b>: Denmark No. 2 (crosses)<br><b>Nominal value</b>: 20 Øre<br></p>
<b>Postage validity</b>: from 5 October 1920 until 31 December 1926 <div style="display: none;">date QS:P,+1920-00-00T00:00:00Z/8,P580,+1920-10-05T00:00:00Z/11,P582,+1926-12-31T00:00:00Z/11</div><br><b>Stamp picrture size</b> (printed area): 20 x 17 mm
Royal Danish "Generaldirektoratet for Postvaesenet" <i>(editor)</i>
scan of original