The Queen and Edward Heath 3 Jan 1973
on Number 10
The Prime Minister's Office posted a photo:
The Queen, Prime Minister Edward Heath and the Duke of Edinburgh (centre, background) in the foyer of the Royal Opera House, Covent Garden, London. They attended a gala launching 'Fanfare for Europe', the official festival marking Britain's entry into the Common Market. www.number10.gov.uk/queens-speech-2012