The Queen (wearing the Girls of Great Britain and Ireland Tiara and the Coronation Necklace and Earrings) and Duke of Edinburgh met Maria Callas, Robert Irving, and Joan Sutherland after a Gala Performance at the Royal Opera House in Covent Garden on this day in 1958. Mary, Duchess of Devonshire (wearing her Opal Necklace Tiara) attended the Queen as the Mistress of the Robes.
