Can anyone tell me how much the following are worth if anything.
1.Autograph of Wilf McGuinness on Sportsman Dinner
2.Autograph of Wilf McGuinness on Sportsman Dinner card dated 12th July 1991.
3.autographs of Bobby Charlton, Matt Busby, Joe Mercer and Denis Law on Dinner and re-union invite, Guest of honour Denis Law
Would be grateful if someone could let me know if they have any value ,thank you.