Fancy winning two tickets to see Arsenal entertain Marseille in the Uefa Champions League?
Not only that, courtesy of MasterCard we're giving one lucky winner and a friend the opportunity to watch both clubs' official press conferences and training sessions in the build-up to the game.
To win the Priceless Experience all you need to do is 'like' the Witness History page on Facebook and tell us the number the ball is hidden behind in THIS post. Your answer MUST be entered in the comments section of the post.
The competition begins at 12:00 GMT on November 12, 2013 and will close at 12:00 GMT on November 13, 2013.
A winner will be selected at random with the lucky prize winner to be notified by 9:00 GMT on November 14, 2013.
Transport, transfers and accommodation are all included. Competition is open to UK and France residents only.
For full Terms & Conditions click HERE.