A stage scene showing an interior where a masked man in a close-fitting striped dress stands before a table on which sits a volume of the House of Commons, beyond which is an open window showing tailors at work in a building opposite. Engraving, 1769.

Mungo was a black slave who featured in a new farce of the time called The padlock. Jeremiah Dyson was then M.P. for Weymouth and from 31 December 1768 to 12 March 1774 a Lord of the Treasury. Dyson was opposed to John Wilkes whom the Political register openly supported. This print, which was published for the Register, is a reference to Dyson's association with the black slave odd-jobber Mungo after whom he was nicknamed