This seal was documented as the official state seal of the <a href="//commons.wikimedia.org/w/index.php?title=Joseon_Dynasty&amp;action=edit&amp;redlink=1" class="new" title="Joseon Dynasty (page does not exist)">Joseon Dynasty</a> during the reign of King Yeongjo and King Gojong. The seal reads from the top-down right-to-left, "朝鮮王寶", which can be translated directly to "Joseon Dynasty King's Treasure," or more liberally to "Royal Treasure of the Joseon King."
<a href="//commons.wikimedia.org/wiki/User:Sodacan" title="User:Sodacan">Sodacan</a>
편자미상(編者未詳) 1876(고종 13년). 『<a rel="nofollow" class="external text" href="http://jsgimage.aks.ac.kr/view?qCond=tit&amp;q=%EB%B3%B4%EC%9D%B8%EC%86%8C%EC%9D%98%EA%B6%A4&amp;startIndex=23">보인소의궤(寶印所儀軌)</a>』. 한국학중앙연구원 장서각<br>편자미상(編者未詳) 1890년 이전. 『<a rel="nofollow" class="external text" href="http://jsgimage.aks.ac.kr/view?qCond=bookId&amp;q=K3-567_001&amp;startIndex=14">보인부신총수(寶印符信總數)</a>』. 한국학중앙연구원 장서각<br>편자미상(編者未詳) 1902년 이후 『<a rel="nofollow" class="external text" href="http://jsgimage.aks.ac.kr/view?qCond=bookId&amp;q=K3-566_001&amp;startIndex=18">보인부신총수(寶印符信總數)</a>. 한국학중앙연구원 장서각