Newly Rediscovered, Ultra Rare 1870-Cc $20 Gold Coin on the Auction Block
LOS ANGELES, CA.- Bonhams & Butterfields announces its sale on September 4, 2011 of gold coins from the Estate of Hellen and Charles Mapes, of Reno, NV. The eponymous Collection, once owned by the famed hotel and casino mogul Charles Mapes, includes a …