An anonymous letter addressed to the Marquis of Rockingham criticizing Charles Lutwidge, the newly appointed Receiver General and head of the Revenue Department on the Isle of Man following the 1765 Revestment. The letter alleges smuggling, financial impropriety, misuse of authority, and fraudulent documentation. It includes a contemporaneous 1766 petition by Lutwidge against Caesar Parr for defamation, documenting the scandal complaint mentioned in the diatribe.