tothegeneralpublicproofanduncirculatedcoins,commemorativecoinsandmedals.Thevalueoftheseproductsonthesecondarymarket,knownasnumismaticitems,generallydependsonfactorssuchasmintage,rarity,conditionandage.Manufacturing,marketingandsellinggold,silverandplatinumbullioncoinsthroughtheAmericanEagleandAmericanBuffaloBullionPrograms....