Vintage Envelope World Cup 1970 Mexico Czech England Signed Stamp Unused

Description

Vintage original envelope for the Football Association.
Marked on the left "World Cup Mexico 70", under that is the picture with "World Championship - Jules Rimet Cup - England 1966".
Below is "England- Winners Jules Rimet Cup 1966".
Then "Official Football Association Commemorative Cover" with the Wessex First Day Cover logo.
The middle is stamped in green with a football & "Czechoslovakia 0 England 1, Mexico 70, June 11 1970".
The stamp has different faces & a football with "Mexico Aereo 80 cents, Copa Jules Remit 1970".
The post mark is Guadalajara 11 Jun.70-13 Jal.
It is autographed in blue ink but I can't read the name.
Also has the copyright symbol with "Football Association 1963 - 1969.
The back is blank.
In unused condition with original gum on the flap.
In very good condition overall.
FREE SHIPPING is USPS First Class mail to the U.S.
Thanks for looking!