The 1940 Dated Battle Of Britain RAF Sidecap is a collectable item from the era of World War II, specifically from the time of the Battle of Britain in 1940. This sidecap was worn by members of the Royal Air Force (RAF) during the Battle, making it a significant piece of military memorabilia from the era. It represents a crucial period in British history and is an important artifact for those interested in military collectables from World War II.