0.999 platinum 0.4734 of of pure platinum. Authenticity of this coin is guaranteed by NGC. The item "Cook Islands 1995 Platinum $500 NGC PF69UC Marco Polo Mintage 1000" is in sale since Tuesday, February 7, 2017.This item is in the category "Coins & Paper Money\Bullion\Platinum\Coins". The seller is "logicpapa" and is located in San Francisco, California. This item can be shipped worldwide.