Vellum
Vellum
true vellum is a thin specially treated untanned "leather" from calf skin, also known as parchment (high quality parchment from calf skin is called vellum; general quality parchment is made from calf, goat or sheep skin) ; used for documents and for book bindings; many early books (of the sixteenth and seventeenth centuries) have vellum bindings; paper makers have produced parchment and/or vellum papers also used for book bindings.