LNER Sreamline A4 Tri Note Chime Whistle Quicksilver 60015,

LNER Sreamline A4 Tri Note Chime Whistle Quicksilver 60015, cast brass in ex loco condition with dents, stamped on top 6 0r 9, with wired on metal tag presumably attached at time of disposal in 1963, stamped 60015, from Quicksilver built in 1935 for the LNER at Doncaster Works the second A4 put into service, 37cm high, 12cm in diameter, G