Copy after drawing by Paul Ipsen from 1791.
<bdi><a href="https://www.wikidata.org/wiki/Q14270492" class="extiw" title="d:Q14270492"><span title="Danish photographer and painter (1813-1898)">Christian Olsen</span></a>
</bdi>
Eidsvoll 1814: image no. <a rel="nofollow" class="external text" href="http://www.digitaltmuseum.no/things/011023119360/EM/EM.01589">EM.01589</a>, via digitaltmuseum.no.