An imprint of the Hoàng Đế chi bảo (皇帝之寶) seal of the Nguyễn Dynasty.
<a href="//commons.wikimedia.org/w/index.php?title=User:Royal_Vietnam&amp;action=edit&amp;redlink=1" class="new" title="User:Royal Vietnam (page does not exist)">Royal Vietnam</a>.
This file has been <b>extracted</b> from another file