One of the biggest complaints about gold - always a parallel currency to paper, and soon to be serial, once the world shifts to a post-paper currency reality in which faith in infinitely creatable electronic paper money is finally destroyed - is that it would be an impractical medium of exchange, as the traditional denominations are so large one would be unable to trade one ounce (and certainly one bar) for every day needs. This is also one of the main reasons various retail investors prefer silver over gold. All this may be changing courtesy of Swiss refiner Valcambi which...