It has her initials on it, and she had it on her neck, when she was captured.

It was the thing she valued most, and therefore she gave it.

I don't suppose she had anything else, except the usual trinkets she would wear, when she went out on special occasions with the ladies of the harem.

I thought it would be useful to us, to prove who she was." Surajah now returned with the casket.
"You had better look at Surajah's first," Dick said.

"I don't know anything about it, but it looks as if mine were the more valuable.