(CNN)A childhood letter written by King Charles to his "granny" has been discovered by a couple living in Warwickshire, England, as they cleared out their attic during the Christmas break.
"Dear Granny, I am sorry that you are ill. I hope you will be better soon," the letter reads on one side, carefully written on lined Buckingham Palace notepaper and dated March 15, 1955, when the King was six years old.
"Lots of love from Charles," it says on the other side, alongside colorful kisses and doodled circles.
The letter was written almost 70 years ago.
It was discovered inside an envelope addressed from Queen Elizabeth II to the Queen Mother, providing a "three generation run," Charles Hanson, owner of Hansons Auctioneers and who is responsible for the sale of the letter, told CNN Thursday.
Finding the letter, which Hanson estimates could fetch as much as £10,000 ($12,000) at auction, left the couple "gobsmacked" as they sifted t