The only reference we could find to this society was on the website of the  which has some documents in its 'Environics Collection' which is about how St Mary the Virgin Aldermanbury was moved to Fulton, Missouri.  So we guess the society is (was, probably) an American-British Friendship group set up after WW2 and that the Charing Cross plaque was erected then.
This section lists the memorials created by the subject on this page:
Angle-kin Society
Creations i
Charing Cross Station - US President
The Guardian has a detailed description of the procession from Charing Cross ...
Other Subjects
Friends of Kingston Museum and Heritage Service
Charity supporting heritage in the Royal Borough of Kingston upon Thames.
1 memorial
Emmanuel 'Eman' Thorpe
Pioneer participant in the Notting Hill Carnival. Eman and Roger Thorpe were members of a steel band with Sterling Betancourt in Trinidad. That's all we could discover. Source: Panpodium.
1 memorial
Garraways Coffee House
Garraway claimed to be the first to sell tea to the public, but not, as far as we can tell, at the Change Alley site, where he moved his coffee house after the Great Fire of 1666, replacing another...
2 memorials
Chingford Mount Cemetery
Laid out on the site of the house and grounds of Caroline Mount, it was opened as a sister site to the already established Abney Park Cemetery in Stoke Newington (see Abney House and Park). Among ...
1 memorial
The Chase Royal Wedding street party
Sadly we can't find a picture on the web. Â Were you there? Â Got any snaps?
1 memorial
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