The term 'Pound Note' refers to a type of currency that was used in the United Kingdom until it was replaced by the Pound Sterling in 1971. The Pound Note was a paper currency with a value of one pound sterling. The two crossword solutions for this term are ARF and QUID. ARF is an acronym for 'A Ready Fortune' which was a slang term for the Pound Note. QUID is a slang term for the Pound Note which is derived from the Latin word 'QUID pro quo' meaning 'something for something'.