The letters were written to Violet Collison, who was known as ‘Collie’ and she was the head housekeeper at Park House on the Sandringham Estate in Norfolk where Princess Diana spent her childhood years.
King Charles and Queen Camilla have been criticised after new figures revealed a huge gender pay gap between staff.
Did you know with a Digital Subscription to Blackpool Gazette, you can get unlimited access to the website including our premium content, as well as benefiting from fewer ads, loyalty rewards and much more.