Millwall's promotion-winning kit from the 2016/17 season incorporated the 50th anniversary of The Lions' 59-game unbeaten home run - and Sky Bet are offering supporters a chance to win a signed shirt.
The shirt, signed by the entire playing squad, is up for grabs on the EFL's title sponsor's website.
Fans are required to fill in a short form and will then be entered into a prize draw.
The competition will close at midnight on Wednesday 12th July, with the lucky Lions fan notified on Friday 14th July.
To enter, click here. Over 18s only. Terms and conditions can be found on Sky Bet's website.