Green’s Dictionary of Slang

bene feaker n.

also bene faker, ben faker, benfeaker
[bene adj. + faker n. (1); lit. ‘good-maker’]

[17C–mid-19C] a counterfeiter, initially of documents, later of money.

In phrases

benfeaker of gybes (n.) (also bene of gibes) [gybe n. (1)]

[late 17C–mid-19C] (UK Und.) a forger of passes and similar documents.