TP402x This limited edition postcard is totally unique - Its huge !! It measures approx 9" x 6" which means it will fit into a letterbox so you could send, but if your friend received it then it would stand out a mile !! It was published in the late 1980s and shows all about London from the River Thames etc with history. drawings, illustrations. A Thames and London collectors paradise. Its unused and mint and reverse states this was part of an award series of postcards from the era.