Green’s Dictionary of Slang

scrope n.

[proper name of Sir John Scrope, secretary of the Treasury 1724–52]

(UK Und.) a farthing.

[UK]Hell Upon Earth 6: Scrope, vid. Jack.
[UK]J. Hall Memoirs (1714) 13: Scrope, vid. Jack, a Farthing.
[UK]Grose Classical Dict. of the Vulgar Tongue (2nd, 3rd edn).
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.