Being the host nation of the Olympic Games, the souvenir industry has gone into overdrive in order to produce all manner of unusual - and, dare we say it, a little bit tacky - Olympic-themed mementos.

It had sat undisturbed in the vendor's attic since the late 1990s before they had the souvenir mug's value estimated ... in the Imperial War Museum in London. In December 1939 Ravilious became ...