I couldn’t find an exact match for what I had in mind, but below are a couple of pictures of actual blank grimoires that served as inspiration for Hermione’s wedding gift to Harry.   A grimoire, or Book of Shadows, is essentially a wizard’s or a witch’s notebook, where they list useful spells, potion ingredient lists, and other information useful in magical living.  Such a book would be considered to be a family heirloom, to be handed down the generations, growing as each new generation added notes of their own as the years went by.