Stamp of Congo Free State, 10 centimes
Post Office of the Congo Free State; photographed and uploaded by <a href="//commons.wikimedia.org/w/index.php?title=User:RogerDL&amp;action=edit&amp;redlink=1" class="new" title="User:RogerDL (page does not exist)">RogerDL</a>
1894
<span class="int-own-work" lang="en">Own work</span>