This seems to be a commercial organisation making and selling coins to collectors, with no connection to the Royal Mint.
This section lists the memorials created by the subject on this page:
London Mint Office Limited
Creations i
Battle of Waterloo
The Fitzwilliam Museum has a page showing an original medal and: "The victory...
Other Subjects
Sir Francis Crossley
Carpet manufacturer, politician and philanthropist. Born in Halifax, Yorkshire. He worked at his father's massive carpet factory before entering parliament in 1852. He erected twenty-one almshouses...
Horatio Myer & Co.Ltd
Horatio Myer (7 June 1850 - 1 January 1916) was born Hereford, the son of a German Jewish immigrant. He moved to London and in 1876 in Vauxhall he set up business producing metal beds and later pr...
June Aylward
Established the first antique shop on Portobello Road according to the plaque but we can find no corroborating evidence.
Sir Clarendon Hyde
Sir Clarendon Hyde, the deputy chairman of the Metropolitan Railway Company in 1920.