A pack-horse carrying bribes is sent by Robert Walpole from Westminster to Edinburgh. Etching by Charles Mosley, 1740.

In the right foreground is the Exchequer, London, in front of which stands Sir Robert Walpole who gives a paper to a gentleman loaded with bags of money. A pack-horse, loaded with Exchequer tallies, scrolls, rods and bags of money, stands feeding to the left with two attendants A winding road leads up to Edinburgh Castle, where a devil appears astride a broomstick. Another devil on a broomstick appears in the sky to the right, directed by a wizard. Further down the path to the left stands a man holding a picture which represents the appearance of the angel to Balaam's ass; the angel holds a scroll inscribed 'The Duke of Argyl speech'. The print refers to Walpole's doubts about the Duke of Argyll's ability to influence the Scots