One of my Grandma's gave me a bible that Grandpa gave her to carry at their wedding, it was very much used. My other Grandma (her name was Esther too) gave me a handkerchief that Grandpa gave her to carry at their wedding. I put the handkerchief inside the bible and carried them both with a small bouquet of flowers. You may not need to do anything with it. Ask your granddaughter if she has any ideas.
I still have both of those together on my mantel and think of my Grandma's all the time.