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Why does gold have value?
It has semantic value (because we culturally believe gold is valuable).  There is a very important point here.  Gold and many other coin metals. This "semantic value" is enshrined in law through the special tax status of coin metals.  You can buy a kilo of gold and not pay sales tax.  You can't buy a kilo of iron or tin and do the same.  This is the important part because investors shouldn't care about semantics. I read that the taxable status varies by state or nation, so you need to be very careful.  It's possible to evade taxes without realizing it.  It also doesn't necessarily exempt you from the form of gold.  An ingot should be tax exempt.  A collector's coin may or may not be, depending on your local laws and the difference between the value of the weight of the gold, and the value of the form of the coin.