What is the single most precious object in Gram and Gramps house Walk Two Moons?

Gram and Gramps would always talk about their marriage bed. The bed had a lot of value to them. It was the bed that gramps and all of his siblings were born in, and then later all of Gram and Gramp's children. It was given to them as a wedding gift, and for some time was the only piece of furniture in their house.