Army '157' bearing the fictitious B.R. running number 68961 and shedcode 'AD2' at Longmoor Camp shed on 30th April 1966. The number was applied in connection with the filming on the Longmoor Military Railway of The Great St. Trinian's Train Robbery, released in 1966. The Austerity was mocked up to resemble a 'J50' class loco and temporarily renumbered.Built by the Hunslet Engine Co. works No. 3207 in April 1945.