Mystery Shack deed

The  is the deed to the Mystery Shack, stolen by Gideon Gleeful in Dreamscaperers.

History
It is first seen in Dreamscaperers when Gideon tries to steal it from the safe in Stan's office. Stan stops him, places the deed in the safe, and locks it. Gideon then summons Bill Cipher to go into Stan's mind to retrieve the memory of the code to the safe.

Later, after Dipper Mabel and Soos stop Bill, Gideon uses dynamite to break into the Shack and steals the deed.