2006 AMERICAN BUFFALO PROOF $50 GOLD COIN WITH COA    US $1,400.05 2008 American Buffalo Pure Gold Coin 1 Troy Oz    US $1,375.00 2006 W American Buffalo $50 1oz GOLD PROOF COIN    US $1,400.00 1895 Red Indian Cent A Rare 4 Diamond Penny In Unc    US $43.00 1892 Red Indian Cent A Rare 4 Diamond Penny In Unc    US $43.10 2009 W $50 GOLD BUFFALO Proof 1 oz PF70 Ultra Cameo    US $1,544.99 2009 W $50 Buffalo Proof Gold Coin PCGS PF70 DCAM FS    US $1,602.77 2006 W $50 BUFFALO GOLD PROOFPF 70 UC FIRST YEAR    US $1,385.00 2006 American Buffalo One Ounce Gold Proof Coin 9999FG    US $1,382.77 2006 More >