Numbered Certificate of Authenticity. Extremely Limited Mintage – 5000. Perth Mint’P’ Mintmark. Proof Quality 99.9% Pure Silver. Please feel free to make an offer and we might strike a deal! Please contact me if you have any concerns so that I can address for you, before you decide to leave unsatisfied feedback. I would like to thank you for looking at my auctions. Please watch for my other auctions.