Brass commemorative plaque believed to have been fitted to a static Riddles 9F locomotive. Measuring 15.75in x 7in, it reads - THIS BR STANDARD CLASS 9F IS AN EXAMPLE OF THE LAST TYPE OF STEAM LOCOMOTIVE BUILT BY BRITISH RAILWAYS. THIS COMMEMORATIVE PLAQUE IS INTENDED AS A TRIBUTE TO THE LOCOMOTIVE DESIGNER R.A. RIDDLES C.B.E.