SECRET GARDEN PARTY 2012 ticket ?

Hi, I cannot make the following festival unfortunately so have to sell my ticket, just want the face value back for it. the ticket will be posted to be 3 weeks before the festival so can exchange then. SECRET GARDEN PARTY 2012 at Mill Hill Field, Abbots Ripton on 19th - 22nd July 2012 1 ADULT TIER 4 TICKET (18+)