Nubex

"Nubex is your online source to buy and sell physical precious metals, including gold bullion and gold dinars, as well as silver bullion and silver dirhams.
Actively traded products include Nubex gold dinar and silver dirham, Perth Mint Kangaroo gold coins , PAMP Suisse gold and silver bars, IGR gold bars, Canadian Maple Leaf, Austrian Philharmonic, Chinese Panda, British Britannias, Emirates Gold, OPM , Valcambi gold and silver bars, and other quality name brand products accredited by London Bullion Market Association (LBMA).

By providing online access to a real-time (spot price), real-order market, Nubex tracks the price of metals across the world markets so you can order and lock in your price any time of day or night."