The Coin Analyst: Extremely Rare 1870-S $3 Gold Coin To Be Auctioned on June 2 in Georgia – Real or Fake? By Louis Golino on May 17, 2012 6:45 AM by Louis Golino for CoinWeek Update: It appears that this item has been removed from the auction The 1870-S $3.00 gold coin is one of the great rarities of American numismatics. It is/was until recently believed that only one such coin existed and that it was struck to be placed in the cornerstone of the U.S. Mint building in San Francisco. http://www.coinweek.com/news/featur...-auctioned-on-june-2-in-georgia-real-or-fake/
Well, that is interesting. How would they authenticate it without many previous examples. If there a means of dating the gold itself? Amanda
