Chicago Bears
Johnny Lujack: 1948 Sport Magazine
1957 Sport Magazine - 3 different color facemasks!!
Game used helmet c.1966 . Thanks to Helmet Hut for this image.
Mid 60's shots of Gale Sayers wearing the plain white 'c" helmet. Note the pic above  with the white plastic mask that was popular in the mid to late 60's
Walter Payton in 1977
The 1994 Special Throwback
Current Bears Helmet