We did not find the website of terribly helpful whereas is far more informative and with reference to the GLO says: "Charles II appointed Henry Bishop as the first Postmaster General who established the General Letter Office. All the post went to London, where clerks calculated the charge to be paid by the recipient".
This section lists the memorials where the subject on this page is commemorated:
General Letter Office
Commemorated ati
General Letter Office
Near this spot the General Letter Office stood in Post House Yard, 1653 - 166...
Other Subjects
1 memorial
John Edward Sly
Chairman of the Smithfield Central Market Sub Committee in 1888.
1 memorial
Old Cock Tavern - Fleet Street
From PubWiki: "It was originally established in 1549 on the north side of Fleet Street at No. 190. In the 1600s the pub was called the Cock & Bottle. The original pub closed in 1886 and was dem...
1 memorial
Charles Jamrach
Dealer in birds and wildlife generally. Born Johann Christian Carl Jamrach in either Hamburg or Memel (depending on source). He moved to London and became an importer, breeder, and exporter of anim...
2 memorials
Whitecross Street Market
One of London's oldest markets.  Started trading in 17th century and was known locally as "Squalors Market".  This information, on the plaque, comes from Wikipedia.  We can't add to it.
1 memorial
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