Princess Diana sent a letter to Scotland Yard's Special Escort Group in 1989, and it's currently up for auction.In the letter, the princess thanks Sergeant Plumb for organizing a motorcycle display at Prince William's birthday.A rare letter written by Princess Diana in 1989 is currently being auctioned off by The William George Auction House.
Princess Diana wrote the letter on June 21, 1989, as a thank you to Sergeant Plumb of Scotland Yard's Special Escort Group, after he organized a motorcycle display that took place at Prince William's 7th birthday party.
In the letter, the princess wrote, "Dear Sgt Plumb, It was so very kind of you and your team to have come here today on William’s birthday.
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