This trade label is unrecorded in Rosenberg's entry in McKechnie's dictionnary of "British Silhouette Artists and their Works"
John Fitzpatrick, 2nd Earl of Upper Ossory (1745-1818) was a friend of the Prince Regent and a member of Dr. Johnson's Literary Club. He married Anne Liddell after she divorced the 3rd Duke of Grafton by Act of Parliament.