bent as a nine-bob note vs forged

bent as a nine-bob note

adj
  • Extremely dishonest or criminally-minded. 

  • Ostentatiously homosexual. 

forged

adj
  • Fake (as documents); falsified. 

  • Forged identification documents were used to enter the building. 

  • Fabricated by forging or at a forge, by working hot metal 

How often have the words bent as a nine-bob note and forged occurred in a corpus of books? (source: Google Ngram Viewer )