Gibsons Gateway To Snowdonia 1000 Piece Jigsaw PuzzleEarly morning on a bright day in the summer of 1957, against a backdrop on Conwy Castle and the estuary of the River Conwy, Britannia class 4 6 2 No. 70045, soon to be named Lord Rowallan, coasts into Llandudno Junction station with an express from Holyhead to London. On an adjacent track, Ivatt class 2 2 6 0 No. 46447 departs for Llandudno Town to collect the daily pick up freight. The Britannia class Pacifics were introduced by British Railways in