Bronco Nagurski wearing a navy helmet. We have Bears in white helmets with white jerseys and orange helmets with orange jerseys - but no navy helmets.
Green Bay Packers apparently
had the thin curvy numbers for 1931 and 1932 only but went to the
blockier numbers for 1933 and 1934. Adjusting font for 1933 and 1934.
From October 8, 1934 Milwaukee Sentinel:
notice Packer player to the left's uniform number.