This is a thimble made in 2000 to commemorate the 18th birthday of Prince William, son of Prince Charles and Princess Diana and grandson of Queen Elizabeth II.

Prince William is now the Prince Of Wales and next in succession behind his father Prince Charles III. 

The design has a photo with an explanatory dedication on the back.

The thimble measures 1 inch high by 1 inch in diameter, has gold trim and is in excellent condition with no chips, cracks or wear, and is bone china, made in England