authentic vs what you see is what you get

authentic

adj
  • Conforming to reality and therefore worthy of trust, reliance, or belief. 

  • Of the same origin as claimed; genuine. 

  • Having the final as the lowest note of the mode. 

what you see is what you get

proverb
  • The image corresponds to the reality. 

  • The screen image resembles the printed output. 

How often have the words authentic and what you see is what you get occurred in a corpus of books? (source: Google Ngram Viewer )