Tags: 100th, 112mph, 1863, 1937, 1966, 1st february 1966, 23rd may 1959, 250psi, 30th October 1937, 35455 lbf, 3d, 4468, 4498, 60007, a4, a4 class, a4 locomotive society, a4 preservation society, Alan Pegler, bill hoole, bittern, black, blue, BR 60007, british rail, British Railways, british railways blue, british transport commission, buffers, buttercream, cake, cake board, cakeboard, celebration cake, chocolate cake, chocolate sponge cake, classic, coal, coal tender, dominion of new zealand, doncaster, doncaster works, double chimney, east lancashire railway, eastern area board, fruit, fruit cake, fruitcake, gold, great central railway, Gresley Pacific, icing, kings cross top shed, LNER, LNER 7, LNER Class A4 4498, locomotive, london and north eastern railway, mallard, national railway museum, north yorkshire moors railway, nostalgia, novelty cake, NRM, osprey, p.n.townend, postwar steam record speed 112mph, roll out icing, shaped birthday cake, silver, Sir Nigel Gresley, sir nigel gresley locomotive preservation trust ltd, sponge, sponge cake, standard gauge, steam, steamlined, steamtown carnforth, stoke summit, streamline, sugarpaste, train, union of south africa, vintage, whistle, york