Could "R.C.R.B." be the initials of a former name for the borough: "Royal Chelsea R. . . . Borough" for example? It certainly seems to indicate the organisation responsible for the plaque.
This section lists the memorials created by the subject on this page:
R.C.R.B.
Creations i
Chelsea Electricity Supply Co.
This building was originally constructed by the Chelsea Electricity Supply Co...
Other Subjects
Earl of Antrim, 6th
Randal William MacDonnell, 6th Earl. He had no sons so King George III recreated the Earlship (resetting the numbering) so that his daughters could inherit and pass on the title until a male heir ...
1 memorial
Hugh William McGlashon
Despite the 1872 year of birth shown on the plaque on McGlashon House in Hunton Street, London, E1, Hugh William McGlashon was born on 10 February 1873, in Limehouse, the third of the six children ...
1 memorial
Sir James Duke
Alderman of St Dunstan's ward. Lord Mayor 1848. M.P. London 1849. Born Montrose, Scotland.
2 memorials
Gerard James Noel, MP
First Commissioner of Her Majesty's Works and Public Buildings
1 memorial
James Whitchurch
Co-churchwarden of St Antholin in either 1670 or 71.
1 memorial
Previously viewed
Cricket World Cup victories - Lords
NW8, Lord's Cricket Ground
We have assumed that the lost plaque read the same as the one at The Oval.
2 subjects commemorated,
1 creator
W. S. Gilbert's death
HA3, Old Redding, Pond in grounds of Grim's Dyke
We thank Matt Brown of Londonist for the photo of the plaque, taken in about 2007. Recently both we and Matt have, separately, failed to ...
1 subject commemorated