This is a European Cup Final Manchester United V Benfica FC Lisbon Commemorative Cover. Played at Wembley Stadium on Wednesday 29th May 1968, this cover has a World Cup 1966 winners stamp, and a Harrow & Wembley 29th May 1968 postmark.
This envelope also has Eusebio's autograph in blue pen on the front. Envelope is in very good condition, with only minor wear.