Zerkall Copperplate Paper, 250gsm, 22in x 30inZerkall of Germany has been producing printmaking papers since the 16th century. Copperplate is an affordable, solid choice for most printmaking processes. Copperplate is mouldmade with two natural deckles and two tear deckles from a 25% cotton, 75% sulphite blend. Unsized, neutral pH, good resistance to oxidization. 250 gsm. White.