4 tickets for Field Day with Apple Cart Festival, Victoria Park, London joint tickets ?

I have 4 ticket for Field Day and Apple Cart Frastival, Victoria Park, London These are joint tickets that is valid for entrance to the both festival Face value of each tickets is 75pounds each Selling tickets for 50pounds each I can meet to exchange in london If you are interested in tickets just send me a message on here and i will get back to u asap