bent as a nine-bob note vs ungenuine

bent as a nine-bob note

adj

  • Extremely dishonest or criminally-minded. 

  • Ostentatiously homosexual. 

ungenuine

adj

  • false, not genuine or authentic. 

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