This is an antique L. &. N. W., London & North West Rail Road real photo divided back postcard titled Liverpool and Belfast Daily Express Steamers "Heroic", "Graphic", Magic", etc Speed 19 1/2 knots, Open Sea Passage 5 1/2 Hours.  

London and North Western Railway (LNWR, L&NWR) was a railway company of the United Kingdom which existed between 1846 and 1922. 

The postcard shows a steamship at sea.

The postcard is unused, part of the Royal Mail Route postcard series The Steamers and has only a bit of corner scuffing.

In an archival sleeve.