You wake up tomorrow and discover you've inherited a mysterious box from an unknown witch. What's inside?

No rules.
No limits.
You open the box and find whatever was left specifically for you.
What items are inside?
A strange key?
A spellbook?
A crystal?
A letter?
A candle?
Something completely unexpected?
Tell the story of what you found and why you think it was left for you.
🖤 Bonus question:
What would be the one item that would instantly convince you the box was magical?