Seal of the third husband

Exploration Stage: Crystals
From: Juliette
Description: I think I remember about the third seal. It was shiny and made of silver. It should be easy to find in a situation like this. I'm afraid of what will happen when the mistress finds out that I didn't send the letter. Because the first envelope was torn! Good luck, dear friend!
Completed: It's a silver seal! It's really beautiful. We have to find the rest of the seals. Maybe the mistress will ask about the letter.