Unlined Index Cards Signed by Bronko Nagurski, Paul Brown, Em Tunnell. Lot 504. Unlined Index Cards Signed by Bronko Nagurski, Paul Brown, Em Tunnell. The Nagurski (died 1990) and Brown (d. 1991) autographs are 10s, and the Tunnell (d. 1975) is a hurried 9-10. Authenticated by Kevin Keating. Minimum Bid $75. Back to List Minimum Bid $75 Back to List