Mail train picking up a mail pouch at Colwyn Bay, 1909.
© National Railway Museum / Science & Society Picture Library -- All rights reserved
London & North Western Railway (LNWR) steam locomotive en route from London's Euston Station to Holyhead with the Irish Mail service. This expres pasenger service included a Travelling Post Office carriage, where Royal Mail workers sorted mail during the journey. Official LNWR photograph.