The notes were written over 25 years to milliner Philip Somerville . Mr Somerville died last year aged 84 and four notes will now be sold . A spokesman for the auction house said: "The note was found in a box of old letters that had been stored at Sotheby's since it went up for sale there more than 30 years ago. The Queen is famous for her hats , which are the subject of bets in the UK . Most focus on her choice of colour during Royal Ascot week in June .
The notes were written over 25 years to milliner Philip Somerville . Mr Somerville died last year aged 84 and four notes will now be sold . They reveal details of the Queen 's love of hats - and her corgis . The Queen is famous for her hats , which are the subject of bets in the UK . Most focus on her choice of colour during Royal Ascot week in June .