C254 "an Astonishing Discovery!"
Auntie Stevens had probably put the key in the box as well.
It could be seen that Auntie Stevens was very concerned about the matters of the Mullins family!
Although it was just a small detail, it could be seen that Auntie Stevens was serious about it. This made Madeline very touched, and she stopped the thought of the key being copied from Auntie Stevens.
Therefore