"No State shall make any ... Thing but gold and silver Coin a Tender in Payment of Debts"
        - US Constitution, Article 1, Section 10

Gold and silver are the only Constitutional US currency, and the most stable form of money available. Take physical posession now.

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10 oz Engelhard silver bars
South Africa (1/10 oz) Gold Krugerrand - Random Year
Gold chart options: Duration: Comex
Silver chart options: Show Comex