privy seal

noun3

1. •
   The personal seal of an English or Scottish monarch.
2. •
   The position of Keeper of the Privy Seal.
3. •
   A document to which such a seal is attached; specifically, a warrant demanding a loan.

   • Vergil would have seen the queues himself, people summoned by privy seal or letter, or waiting to pay installments of their fines […] — 2011