Stack of four-hundred-troy-ounce gold bars,totalling over one ton in weight,at the Old Mint,San Francisco. A troy ounce is the traditional unit of weight for precious metals | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / McHugh, Tom |
Bildgröße: | 5106 px × 3422 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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