This America the Beautiful (ATB) coin is. By NGC with a SP70 grade. This is a Top Pop on NGC with only 23 other Quarters with SP70 signed by the Trillion Dollar Congressman and none graded higher. Holder is hand signed by Congressman Mike Castle who made a provision in the U. Law to allow Platinum coins to be minted in any denomination. The law allows a Trillion dollar Platinum coin, which some have proposed as a loop-hole to bypass the debt ceiling. The NGC certification has an image of this coin that you can compare with our coin. See the certification at.