60017 SILVER FOX - Gresley LNER Class A4 4-6-2 - built 12/35 by Doncaster Works as LNER No.2512 - 09/46 to LNER No.17, 04/49 to BR No.60017 - 10/63 withdrawn from 34E New England - seen here at Peterborough, 08/55.