− Decrease quantity for Bank of England (B214) Mahon 10 Shillings & £1 parchment pair, 1928, A01 000034, with plastic slip-cases & vellum envelope, UNC Quantity + Increase quantity for Bank of England (B214) Mahon 10 Shillings & £1 parchment pair, 1928, A01 000034, with plastic slip-cases & vellum envelope, UNC Add to cart