Coins have been in existence for the last 2500 years. The oldest ones were believed to originate from Lydia and were made of Gold and Silver. These precious metals have a high market value. The oldest ones are the Drachmas, Denali and Milanese, which have a Greek orientation. Greeks used the latter precious metal for their metallic currency. King Rich Aristocrats were known to collect bucks made from these metals.
World Money Museum house maximum number of rare and old coins. The silver ones originated from Greece and they house the oldest and rarest ones till date. American popular and rare ones are Morgan Dollars, Peace dollar and Buffalo Commemorative Dollar. The world's commonest rare coins made from the precious metal are the Canadian Maple Leaf, Chinese Panda and British Britannia.
The use of the precious metals in currency making was stopped in 1933 and the currency made of these metals were bought for investment. Their market depends on market rate of the metal, if it fluctuates the value of the currency also fluctuates. XAG is the symbol for Silver international currency under ISO 4217. The most demanded are the America Eagle, Canadian Maple Leaf, Australian Kookaburra, British Britannia, Chinese Panda and Mexican Liberated.
Bullion bucks made from this precious metal, and which have less demand are New Zealand Kiwi, Isle of Man Cats, Zambia Elephant, Gibraltar Dogs and Russian Sable. Money made from this precious metal is very valuable and since it is made of valuable metal, it is worth collecting. It fetches high and desirable returns.