I can not assist to the Joan Baez concert in the Cambridge Corn Exchange, 24th february at 19.30, because I will not be in England that day unexpectedly. So, I sell it. I bought it through ticketmaster with a price of 46 pounds, including taxes and services. It is in a very good position: STALLS, row P, seat 15 (in the flat floor, you can check it in the venue webpage). I sell it with a price of 45 pounds. I would prefer to give it directly to the person that wants to buy it, not by mail, but we can negotiate that. Thank you very much in advance.