José de San Martín (The Liberator) 1778-1850 Argentine soldier and statesman stayed here

Spudgun67 on Wikimedia Commons
Jez Nicholson on Flickr
Spudgun67 on Flickr
Spudgun67 on Wikimedia Commons
Nick Harrison on Flickr
Nick Harrison on Flickr
Nick Harrison on Flickr
David Nicholls on Flickr
BluePlaquesGuy on Flickr
Simon Harriyott on Flickr
Simon Harriyott on Flickr
BluePlaquesGuy on Flickr
Nick Harrison on Flickr
BluePlaquesGuy on Flickr

23 Park Road, Westminster, NW1, London
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by London County Council in 1953

Colour: blue

Wikimedia:

Flickr: