They are All NGC Certified Proof 70 Ultra Cameo Early Releases. A Numbered Certificate of Authenticity Hand Signed by the Designer Michael Glass is Included for Each Coin. Beautifully Displayed in a Custom Made Composite Box. The item "2015 Niue Complete Silver Proof America's Nat'l Monuments 4PC Coin Set" is in sale since Tuesday, December 18, 2018. This item is in the category "Coins & Paper Money\Coins\ World\Australia & Oceania\South Pacific".The seller is "j_rcheckcashing" and is located in Bristol, Pennsylvania. This item can be shipped to United States.