One of the First Dollar Coins Struck at the U.S. Mint Sells for $840,000, Smart News

The 1794 copper coin served as a prototype for the famed "Flowing Hair" silver dollar

These 50-cent coins could be worth more than $100,000: How do I know if I have one? - AS USA

Sold at Auction: Three Type Coin Albums, Dansco Coin Albums

Prototype of first US dollar coin may sell for $500,000 at auction

2006-S San Francisco Old Mint Commemorative Silver Dollar BU

Gold $1 started strong then faded - Numismatic News

Dollar coin (United States) - Wikipedia

Certified Uncirculated Silver Eagle 2013(S) (Struck at the San Francisco Mint) MS69 Early Release

Sold At Auction: 1794 Flowing Hair Silver BB-1, B-1, The, 49% OFF

2004S UNITED STATES San Francisco MINT Granite Lady BU SILVER Dollar Coin i95068