yes
no
Silver is often used for jewelry, currency and decorative items such as fine silver cutlery.
the disadvanteges of using silver is silver would not stay around longer but using the currency metals used in quarters will last longer
No. Poland still uses it's own currency.
The world's oldest currency still in use is Pound Sterling (The currency of the United Kingdom).
Sterling
The Bosnian Convertible Marka was the currency of Bosnia in 1914 and is still the currency used. The Marka is also the currency of Herzegovina.
The US does not use centavos as their currency.
Armenia
No, the Aztecs did not use silver coins as currency. They primarily used a barter system, exchanging goods and services without a standardized form of currency.
Diamonds .
In 1912, the currency used varied by country. For example, in the United States, the dollar was the official currency, while in the United Kingdom, the pound sterling was in use. Similarly, many European countries used their own national currencies, such as the German mark and the French franc. Additionally, some countries were still using gold and silver standards for currency valuation.