This Pillar Box Cast in 1856 in the shape of a Doric Column at the Eagle Foundry of Messrs Smith and Hawkes, Broad Street, Birmingham, is one of a pair installed at the East and West Gates of Warwick

As the plaques says, this is "one of a pair installed at the East and West Gates". The other is in our database at http://openplaques.org/plaques/8629

See also...