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Queen Anne’s Gate,  London SW1H 9AT
16th December 1997
The Queen has been graciously pleased to give and grant unto Letchworth Garden City Heritage Foundation Her Majesty’s Royal Licence and Authority that it may bear and use according to the Laws of Arms of Arms and Crest exemplified unto Letchworth Garden City Corporation by Letters Patent under the hands and Seals of Garter, Clarenceux and Norroy and Ulster Kings of Arms bearing date the Twenty-ninth day of March 1974; the said Arms and Crest being first duly exemplified according to the Laws of Arms: otherwise the said Royal Licence and Permission to be void and of none effect.
  And to signify Her Royal Will and Pleasure that the said Royal Concession and Declaration be recorded in Her Majesty’s College of Arms.