The true gold standard, in which gold coins circulated freely as legal tender, was started in Britain in 1717 and lasted for just under 200 years, interrupted only during the Napoleonic wars.
Earlier this month, Minnesota took a step closer to joining Utah in making gold and silver legal tender.
If the mayor has his way, this could well be the year when salt, once a form of legal tender, is finally devalued as a prized condiment in the American diet.
Within five years, a unified currency in 1933 the "central" issue of "legal tender" currency has been relatively stable, so Donglai Bank has to resume business.
Then in 1935, China began to implement a legal tender policy and the silver standard system was abandoned.
The central bank has now agreed to allow foreign currencies to be accepted as legal tender alongside the local (near worthless) Zimbabwe dollar.
Utah is now allowing the COINS to be used as legal tender while levying no taxes.
The Romania "s legal tender is the leu."