Limited quantity only /5000 made worldwide. Comes with COA that is numbered and a custom case for the coin. Walking Liberty is the third issue of the 2015 Golden Enigma Edition. The entire coin is plated in a combination of black and gold, this is accomplished through the use of 2 different precious metals. The entire coin is first completely plated with Black Ruthenium, a member of the Platinum family of precious metals. Next the coin motif is selectively gilded with 24kt gold. The coin will be delivered in a black box with a cover print. The black certificate is printed with gold color. In addition each certificate has an individual number. Country USA Year 2015 Face Value $1 USD Metal Silver .999 Weight 1oz Size 40.6 mm Finish BU / Ruthenium & Gold Plating Mintage 5,000 *This is a genuine BU 2015 US Silver Eagle coin that has been customized by a private mint.