Detailed information about the coin Token, Calvin Coolidge (30th President), * Tokens *, with pictures and collection and swap management: mintage. Amazon.com: 30th President of The U.S. United States 1923-1929 | Calvin Coolidge | Gold Plated Challenge Coin: Toys & Games. 2014 Presidential Dollar Coin Calvin Coolidge Uncirculated Obverse Inscriptions. CALVIN COOLIDGE; 30TH PRESIDENT 1923-1929; IN GOD WE TRUST.