Start with the parts.
Take it apart the way the diagram does. The cover: premium leather, and it's the piece she keeps. The pages: no printed dates, and she can swap them when they fill up. The clear zipper organizer: for the ticket stub and the note she can't throw out. The charm: the one you chose.
None of that is why she keeps it, though. She keeps it because by spring it has her handwriting in it. A gift she finishes herself is a gift that's hers.

