Harry tore open the wrappings of Mayumi's present, and grinned happily at the moving planetarium 3D model. He won't have to take another astronomy class anymore.
"Oh, and here." Mayumi stuffs a small necklace into his hands, and Harry blinked. It's a small, polished green scale on a black cord. "I made a necklace from the thing's scales." She grinned, "Oh, I made so much out of that snake, I can't even complain!"
"...How much exactly?"
"Oh, well, enough for me to open a vault and fill it."