skippet

skippet

(ˈskɪpɪt)
n
(Furniture) a small round box for preserving a document or seal
[C14: perhaps from skeppe skep]
References in periodicals archive ?
As well as the Constitution, the gallery contains the Royal Commission of Assent signed by Queen Victoria on 9 July 1900, her wax seal attached and protected within an impressive silver skippet.
The National Archives also holds an exchange copy that is 12 pages long and includes a skippet.