I know its not a jersey, but what about these:

2000 Edge Supreme Monday Knights Favre BV = $5
2000 Score Team 2000 RED Brett Favre #460/500 BV= $10
2000 Private Stock Mini Brett Favre(x2)
2000 Bowman 2000 Edge Supreme Brett Favre(x4)
2000 Score Brett Favre(x4)
2001 Private Stock Brett Favre
2000 Bowman's Best Brett Favre

I know these arent g/u.......but on is #/d, and the total book on this is around $30+.......

LMK
-Paul