Here's the honorary king of Winter, football-wise:
1971 Topps #44
I wasn't sure of the year, 67, 68, 69? I know my baseball but I'm weak on the sixties FB. I did like the look of the card so I pulled all the others I had. This was what I found: One each of Billy Cannon, Tom Keating, Herb Addlerley, Jim Grabowski, 2 each of Fred Biletnikoff and George Blanda, and 5 of Daryle Lamonica. How strange I thought, I only have 13 cards from this year and 11 are Raiders, 2 Packers? Did I lose all the rest? Of course, if you know your football cards you know where I went wrong. A little research told me that the two Superbowl teams from the previous January were given specially designed horizontal cards. It all fell into place after that.
#184 Jack Snow
#168 Fred Biletnikoff
Series 2 has blue backs:
As you can see in the examples above some cards were interactive. You had to rub over the space at the bottom with a coin to reveal the cartoon.
The annoying thing is that for every card like this you lose all the information you would normally get for the player on the front. In this case it is adding insult to injury as Fast Freddie's bio is obliterated by the man who beat his team in the Superbowl.
It's very similar in design to the special football design but it was used for the entire set.