The upcoming Euro 2016 is likely to see thousands of Irish fans travel to France to support the national team.
And all these people are strongly advised to purchase tickets from reputable sources only, or risk being left out of the pitch, and out of cash.
New Uefa rules specify that ticket holders may likely be requested for photographic ID before they are allowed into the grounds. If the tickets are illegally bought, the ID and the name on the ticket will not match.
Caveat emptor, as they say.