Coins. International assortment of gold coins. The cost of the metal in a gold coin is often worth more than the coins nominal value. As a result,gold coins are often minted and sold only as collector's items. Many gold-coloured coins used in common circulation as small change are actually comprised of a cheap alloy rather than gold itself. Gold is rare,expensive,heavy and soft; for these reasons its main use is in jewellery and in monetary reserves. Gold has the chemical symbol Au | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Rosenfeld Images |
Taille de l’image : | 5395 px × 3497 px |
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