High Quality Content by WIKIPEDIA articles! The Freedom Tower Silver Dollar is a "one dollar" coin minted under license of the Commonwealth of the Northern Mariana Islands (CNMI) in 2004. Despite vague statements in advertisements, it is not issued by the United States Mint and is not considered legal tender. The CNMI receives royalty fees from proceeds of the sale of the coin. The coin is actually minted by SoftSky, a Wyoming commemorative coin maker.