1976, a time when many fans were starting to turn away, and this poster displays one of the reasons.
Why on earth would we expect to see a large photo, or even a small one of the referee. Can't imagine Joe D'Orazio, Tiny Carr or Lou Marco wanting to be more prominent than the wrestlers. and just who was he popular with?
Meanwhile 40 years earlier ... the Berlin Olympics had finished just two days previously, and here we see professional wrestling still making open links with the amateur game: