with silver at $7.14 an ounce, and their notes faced at $10.00 an ounce, you can see where their fund-raising aspect comes in. even worse is their $500 gold note, backed by a $437 ounce of gold, and being sold for $550 on their website.
for true commerce in metals, one might as well use http://e-gold.com. same concept, except that you purchase metals at actual market values (gold, silver, platinum, palladium). only downside is your account fluctuates in real time....so your $20.00 might be $18.75 one minute, and $23.80 the next.