Just stumbled upon this, and have no idea if it's real or fantasy, but if I was given that be assured I'd keep it!!!
https://www.ebay.com/itm/33397718793...Cclp%3A2334524
I received a reply from one of Princess Anne's Ladies in Waiting on official Buckingham Stationary in regard to my writing to Princess Anne. I treasure that letter beyond words, and it's not even from a Royal!
Oh well,
Terry
PS - It's on eBay US