Sir Joshua Reynolds. 
Cardinal Beaufort's Bedchamber, late 1780's.

This is Plate XVII in The Boydell Shakespeare Prints.The caption says, Act III. Scene III. Cardinal Beaufort's Bedchamber. King Henry, Salisbury, and Warwick. The Cardinal in Bed. Painted by Sir Joshua Reynolds, late President of the Royal Academy. Engraved by Caroline Watson.