GREAT BRITAIN. 2 Pounds, 1911. PCGS PROOF-64 CAMEO Secure Holder.S-3995; Fr-403; KM-821. Mintage of only 2,812 pieces in proof. A lightly toned example of this desirable issue with soft frost on the designs that produces a lovely cameo appearance on both sides.PCGS PROOF-64 CAMEO Secure Holder.