"Thanks!" he says, easily. He has a fairly ancient looking book tucked under his arm, which he shifts around as he reaches into one of his pockets. He clenches something in his fist and presses it into her palm.

It's a coin, ostensibly worth one american dollar. It's a little scuffed up, but still shines in the dim lighting.

"A little girl gave this to me - she said she was given it by the tooth fairy on her sixth birthday, this month. I think it's lucky. You should have it."