A Spitfire donated to Stoke-on-Trent by the RAF in 1972 is set to go back on public display in a new glass-fronted £5.4 million ($7.5 million)  gallery as an “anything’s possible” symbol of hope. The aircraft’s official unveiling in a 3,800 sq ft (350 square meter) extension to the Potteries Museum and Art Gallery on Wednesday, being attended by the great-nephew of the Spitfire’s designer Reginald Mitchell, follows a multi-year restoration programme and coincides with Battle of Britain Day. The dedicated Spitfire Gallery, making the illuminated aircraft visible from the street at night, opens to the public on Saturday and will be used to promote engineering as a career to young people, as well as allowing visitors to learn about the history of the aircraft and more than 20 others designed by Staffordshire-born Mitchell. The Mark XVI Spitfire, built at Castle Bromwich, Birmingham, in May 1945, saw service in Germany …