Lloyd Smith, from Fairwater, had a surprise from his postie on the weekend.
He opened up a letter and found it was from David Cameron.
Lloyd, aged 24, was one of the volunteers who helped out at the Olympics. If you were at any of these football games in Cardiff Lloyd may have answered your queries.
GB v New Zealand
Brazil v Cameroon
New Zealand v Brazil
GB v Cameroon
GB v Uruguay
Korea v Japan (3rd place play off)
Lloyd joked: “No problem Dave, give me a shout anytime.”