This object reflects a moment in time when Britain was on the tipping point of ceasing to exist as a sovereign nation. My father was an engineer visiting RAF sites in the south of England during the Battle of Britain, working day and night to keep the planes flying. He took this piece of wing stiffener out of a Hawker Hurricane and you can poke a pencil through the holes where German machine gun fire had shot it away. He had the prescience to keep it and mount it with a descriptive plate, and it's been on the family mantelpiece ever since. Without those planes, the pilots, the ground crew and people like my Dad, Britain would have had a very different future. This is a tangible reminder of 'our finest hour'.