Photos of teenage Margaret and Princesses Elizabeth acting in plays to be auctioned . London 's future queen starred in a series of pantomimes at the Royal School in 1941 . Photos belonged to headmaster of Windsor school and a co-star of the royal sisters .
Photos of teenage Princesses Elizabeth and Margaret acting in plays to be auctioned . Britain 's future queen starred in a series of pantomimes at Windsor Castle in 1940s . Photos belonged to headmaster of Windsor school and a co-star of the royal sisters .