I always find it amazing that for less than £1, you can send a letter from one end of the country to the other, by the next day, when to do so yourself would cost considerably more in fuel alone!
Though with e-mail this now happens a lot less! But we still like to recieve birthday cards at least!
Congrats to my geodad CTJones05c on being the first to find this one, though I believe it was actually the geomum that did the finding lol