RichThesaurus
not worth a brass farthing
vs
not worth a plug nickel
not worth a brass farthing
adj
Worth nothing or next to nothing.
not worth a plug nickel
adj
Having no or almost no value; worthless.
How often have the words
not worth a brass farthing
and
not worth a plug nickel
occurred in a corpus of books?
(source:
Google Ngram Viewer
)