Sir Charles Wyndham 1837-1919 actor-manager lived and died here

Simon Harriyott on Flickr
Spudgun67 on Flickr
This is an approximate position

20 York Terrace East, Westminster, NW1, London
[geolocate this address]
Google Streetview

by London County Council in 1962

Colour: blue

Wikimedia:

Flickr:

See also...
Simon Harriyott on Flickr