King Yeongjo bestowed this document along with a silver seal on his grandson Yi San (later King Jeongjo) in 1776, the 52nd year of King Yeongjo’s reign, at the age of 83. Touched by Yi San’s filial piety toward his father Crown Prince Sado, Yeongjo gave his grandson a seal with his handwriting engraved on it and a letter he composed. In the letter, he expressed his trust in the grandson Prince Regent as his successor, while wishing that his grandson’s filial affection would be handed down for generations. Later, King Jeongjo ordered this document and the silver seal to be displayed at the front during his coronation ceremony and processions. This document can be seen as a symbol representing the legitimacy of succession to the throne and royal authority of King Jeongjo.