Timeshift charts the evolution of the British postage stamp and examines how these sticky little labels became a national obsession. Like many of us, writer and presenter Andrew Martin collected stamps when he was young, and now he returns to that lost world to unpeel the history of iconic stamps like the Penny Black and the Blue Mauritius, study famous collectors like King George V and the enigmatic Count Phillip de Ferrary, and to meet present-day philatelists at a stamp club.…