Rare, classic photos of Queen Elizabeth II

Anyone who has remained in power for longer than many people remain alive -- even if that power is far more symbolic than practical -- deserves attention. And when it comes to England's Queen Elizabeth II, paying attention is something the world has been doing for a long, long time.

Here, on the 60th anniversary of her coronation, LIFE.com offers a series of informal portraits of the queen, including several that never ran in the magazine. See the entire gallery and read the full story on Life.com.