A conversation with the Commissioner of Police
This page contains details about Fallen London Actions.
The Constables are always confiscating surface currency. Its legal status is ambiguous. Perhaps you could find a home for it, if you're prepared to trade in some favours.
Unlocked with 1 x Favours: Constables
Several bulging envelopes
You'll want bigger trousers. Or a suitable handbag. Anyway, the Commissioner thanks you for your past services, and trusts that you won't feel it necessary to discuss this gift with anyone else.