First, much of the gold that is being sold as shares, in certificates, or for physical hoarding in dubious "vaults" just isn't there. Second, paper gold can be printed into infinity just like regular currency. Third, new electronic gold pricing — replacing, as of this past February, the traditional five-bank phone-call of the London Gold Fix in place since 1919 — has not necessarily proved a more trustworthy model. Fourth, there looms the specter of the central bank, particularly in the form of volume trading discounts that commodity exchanges offer them.