I have tried to find these even on Google they don't exist. Gold Guilded set is celebrating the Mount Rushmore Memorial 80th Anniversary, one of the most famous landmarks of the USA with a portrayal of the most glorious US-presidents. This set has a Proof quality, a wonderful Gold plating and comes in a themed case, along with the Certificate of Authenticity.
Limited mintage to only 250 pcs worldwide. 3 oz - less than 5 oz.