I received this reply back in 2017 but never made a blog post about it. I had written to the Duke of Kent after he had canceled a week's worth of official engagements due to a chest infection.
The Envelope is the usual from the British Royals. It features the old postmark for the Court Post Office at Buckingham Palace (in red). This envelope was double postmarked, as it was stamped again when it was processed through the Mount Pleasant Mail Centre in London. Almost all international mail from the London area is processed through that center before being taken to Heathrow Airport. The 2nd postmark says "Royal Mail proud to support Stroke Association." Stroke Association was the Royal Mail's charity partner and their "Charity of the Year" for September 2014-May 2017. This postmark is used over that 2.5 year period to raise awareness for the cause.
Inside is a letter from Nicholas Marden, who was the Duke's Private Secretary from 2011-2018.
Dear Miss Daly,I am writing to thank you for your letter of 9th March and for the very kind wishes sent to His Royal Highness The Duke of Kent following his recent illness.Yours Ever,Nicolas MardenPrivate Secretary of HRH The Duke of Kent
