"Quite apart from this presenting an opportunity to discuss a wide range of issues of mutual interest, it would also offer a valuable chance to plan a historic second State Visit to the United Kingdom.
He writes: "There is much on both Estates which I think you might find interesting and enjoy - particularly as my Foundation at Dumfries House provides hospitality skills-training for young people who often end up as staff in your own establishments!.
Sky News has contacted Buckingham Palace to ask when the second state visit might take place, and they simply said: "When diaries allow.".
The King appears to suggest a visit Balmoral or Dumfries House in Scotland at some stage - estates owned or run by the monarch.
That is why I would find it helpful for us to be able to discuss, together, a range of options for location and programme content.