Postcard size piece of card from part of the World Cup Masterfile collection

Postcard size piece of card from part of the World Cup Masterfile collection to represent Argentina 78 World Cup tournament, with POLSKA zl1 50 stamp franked WARSZAWA 1 that has been hand signed by five of England's 1966 World Cup winning squad, captain Bobby Moore, Alan Ball, Roger Hunt, John Connelly and Jimmy Armfield, 6 by 4in.