English: GWR 'TOAD' 20 ton unfitted brake van No.68684, Diagram AA.15, Lot 910, built at Swindon 1924; 378 fitted and unfitted Diagram AA.15's were built at Swindon in 1918-27, the standard GWR brake after WWI. At the Great Western Society, Didcot Railway Centre, 9 November 2008.
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