The world's number one numismatic dealer and auctioneer | gold coins, world coins (Rare dates: , , , , , ; Many scarce dates). Although many gold coins are assigned nominal face values, in reality they are worth considerably more in terms of their fine gold content. The real value of a. Coin values depend upon condition and rarity. Rare dates are worth far more than the prices listed. Coins that are damaged, cleaned, polished. Silver Washington Quarter Values To address this dilemma, the Coinn States Mint changed the composition of the quarter from con percent silver and 10 percent copper to an alloy how much is a coin copper and nickel. If the coin was used in commerce and appears to be circulatedit will be worth less than an unused coin in uncirculated condition. The Change Checker Scarcity Index tracks which coins are the most scarce and collectable using a unique combination of mintage, collecting and swap data to give the most up-to-date picture of the collecting market. Pennies and Quarters : Printout 3 How Much? Gobrecht Dollars All are rare.