Whats What's the use of key 0001?
<p><img alt="" src="https://www.tibiaqa.com/?qa=blob&qa_blobid=12484535112524094773" style="height:200px; width:1364px">Two keys 0001 can be seen in the <a rel="nofollow" href="https://tibia.fandom.com/wiki/Treasure_Rooms#Rathleton_Treasure_Room">Rathleton Treasure Room</a>. The golden version can only be seen from the <a rel="nofollow" href="https://tibia.fandom.com/wiki/Rathleton">Rathleton</a> <a rel="nofollow" href="https://tibia.fandom.com/wiki/Depot">depot</a> while copper one can only be seen from the room below NPC <a rel="nofollow" href="https://tibia.fandom.com/wiki/Graham">Graham</a>. It's known that a crystal key and a silver key are also in the same treasure room, although they can't be seen. They could also be keys 0001.</p><p>Img Source: https://tibia.fandom.com/wiki/Key_0001</p><hr><p>There is any clue , Source: https://tibia.fandom.com/wiki/Key_0001</p><hr><p>Is there any clue, or any known use to this keys? </p>