There are many places where one can find an autographed football. One can find an autographed football at popular on the web sources such as eBay and Amazon.
$500.00
50.00
www.sportsballuk.co.uk
$175
Are there any existing autographed 1975 Detroit lions footballs
Robin Earl was a professional football player who played in the National Football League. His autographed card is worth $25 as of 2013.
i sold mine for $800, it was the 2006 championship football
Slightly less than the cost of the football.
Try using a sharpie
You should try going to www.sportsmemorabilia.com. On that website, they have official autographed memorabilia that has been proven to be authentic.
To restore a white autographed football with cracks you can try to use caulk. You could also use rubber cement or even white Elmer's glue.