From the National Museum of African American History & Culture, this is the training robe worn by Muhammad Ali at the 5th Street Gym in 1964. A friend was asking what typeface this was. I thought it would be easy until I started looking closer. Anyone who knows would be very much appreciated!

Bebas Neue  Suggested by ryneasoul 

Hey! Any joy with this?? I am on a project and would love to know if this has been solved!

Many thanks
Dan

Looks like Bebas Neue to me.

or Segata Normal Sans