50th anniversary jubilee medal of the Russian Corps of Military Topographers, issued in 1872.
<bdi><a href="//commons.wikimedia.org/wiki/Category:19th-century_unidentified_medallists" title="Category:19th-century unidentified medallists">Unidentified medallist</a>
</bdi>
1871<div style="display: none;">date QS:P571,+1871-00-00T00:00:00Z/9</div>
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