Just found these in my garage, I have no clue what they are.. It's from 1980 Topps, looks like a subset of 30, but they're jumbo cards. All in excellent condition, wondering on the value of them, and if anyone can use them! LMK

1/30 - Franco Harris
2/30 - Bob Griese
3/30 - Archie Manning
4/30 - Harold Carmichael
5/30 - Wesley Walker
6/30 - Richard Todd
7/30 - Dan Fouts
8/30 - Ken Stabler
9/30 - Jack Youngblood
10/30 - Jim Zorn
11/30 - Tony Dorsett
12/30 - Lee Roy Selmon
13/30 - Russ Francis
14/30 - John Stallworth
15/30 - Terry Bradshaw
16/30 - Joe Thiesmann
17/30 - Ottis Anderson
18/30 - John Jefferson
19/30 - Jack Ham
20/30 - Joe Greene
21/30 - Chuck Muncie
22/30 - Ron Jaworski
23/30 - John Hannah
24/30 - Randy Gradishar
25/30 - Jack Lambert
26/30 - Ricky Bell
27/30 - Drew Pearson
28/30 - Rick Upchurch
29/30 - Brad Van Pelt
30/30 - Walter Payton