Green’s Dictionary of Slang

Archbishop (Laud) n.

[rhy. sl.; the term (used in Cook, The Crust on its Uppers, 1962) may, like a number of similar citations, be a nonce-word; ult. William Laud (1573–1645), Archbishop of Canterbury]

fraud.

[UK]R. Cook Crust on its Uppers 34: When it came to paying the duke with my beehives down to a bit of archbishop.