Translation: I believe in you Tooth Fairy.
Did you catch that? "Please write on one of your "special" papers. What the h-e-double hockey sticks is special paper? So this is what the Tooth Fairy left, along with Juliana's $5 for her tooth (apparently the fairy doesn't carry change)
O - "Look! Look! Look what the tooth fairy brought me. She wrote me a letter and $5!!!!
Me - "I don't think that is your $5. Where is Juliana's money?"
O - "I don't know, why don't you check under her pillow, or maybe it got lost.