You can buy gold bars at gold price from Hill End, provided you own some shares.
http://www.hillendgold.com.au/index.php?page=shop.product_details&flypage=flypage.tpl&product_id=26&category_id=6&option=com_virtuemart&Itemid=194&vmcchk=1&Itemid=194
Otherwise you might be able to find a trustworthy dealer on ebay, or trawl the ebay jewellery listings for scrap.