This Disney Mad Hatter Kit has all you will need to wear to celebrate all of your un-birthdays. Be sure to sing "A Very Merry Unbirthday" to all your friends. 10/6 LABEL: The Mad Hatter hat features the notorious 10/6 label. The Hatter carried hats to sell..."10 shillings and a sixpence" was the asking price for the one on his head.