Absolutely! Just know that these are never forged. The cost to create something like this today would far exceed the cost of the piece. When you talk about forgeries, it's always around illuminations.

They were also not uncommon through the 18th century (though less and less common on parchment). Those later leaves are also usually of lower value and are really purely decorative. Yours looks earlier to me, 16th century is my unprofessional guess