Probably not little brother. The lack of batwings make all the difference there.

"I don't know how strange things are, really, but I got stuck in the same room, all red stone, the writing on the floor said it was the abyss?"

The IOUs are kept in a pocket while the rest of it is rewrapped and popped back into her sylladex. The large pile of wrapping paper is eyed for a moment and then stowed in the sylladex too. At least until she finds a garbage can or a fire.