Margaret Ismay
Margaret Ismay was a British opera singer. While a student at the Royal Academy of Music, she was awarded the Academy's Gilbert Betjemann Prize "for operatic singing" in 1909. She later had the medal converted into a coin watch by Cartier.
Ismay appeared in The Balkan Princess in 1910.
In 2013 her great-nephew showed the medal on an episode of the BBC's Antiques Roadshow.