18 coins (including this one) have been. NGC and 3 coins at PCGS. That's how rare this coin is!
Only 10 new coins have been discovered in the last 2 years. In contrast, the 2015 "narrow reeds" variety has a population of 2035+ coins certified at NGC and 390+ at PCGS. More information on this rare coin variety and the story behind it. That coin was NGC graded in MS-69 condition like the coin listed above. In 2 years, only 10 more coins were discovered, making it exceptionally rare.
I believe this coin is one of the rarest American Eagle varieties in. Sellers do not realize how rare and valuable this could could be. For example, the 2007 "Frosted Freedom" Platinum Eagle varieties saw. Certified by Numismatic Guaranty Corporation NGC.The item "2014 Narrow Reeds $5 American Gold Eagle 1/10th Ounce Only 21 known" is in sale since Thursday, March 23, 2017. This item is in the category "Coins & Paper Money\Bullion\Gold\Coins". The seller is "coffeeface69" and is located in Tomahawk, Wisconsin. This item can be shipped to United States.