AUSTRALIA. Penny, 1935. PCGS PROOF-64 BN Secure Holder.KM-23. From a mintage of only 100 pieces. A smooth chocolate brown survivor of this <strong>RARE</strong> proof, with fields that are more satiny than reflective and design elements that are crisp on both sides, showing the characteristic sprinkled die flecks on George Vs bust that helps to identify the issue.PCGS PROOF-64 BN Secure Holder.