His plate of "Carlo Khan's triumphal entry into Leadenhall Street" was admitted by Charles James Fox, against whom it was directed, to have damaged his public image.
Sayer was always at his best when attacking Fox, whose strong features he portrayed with remarkable power, always so as to make them convey expressions of defiant impudence or anger.
They were then sold in collections of the size of a large octavo copybook, under such titles as Illustrious Heads (1794) or Outlines of the Opposition (1795).
Sayer left a complete gallery of small full-length pictures of the public men of his time, slightly caricatured.
[4] He also wrote political propaganda as prose and verse [6] The Foundling Chapel Brawl,[7] Elijah's Mantle,[8] All The Talent's Garland,[9] Hints to J.Nollekens Esq[10]