It has been seen that people from all age groups have a passion for the collection of rare coins. One can call it passion or hobby that makes the person very enthusiastic and they make every effort to collect the rarest coin of all. Many people have huge collection of the rare coins that they have collected or purchased with time. There are many varieties of rare coins and they can be differentiated according to dollars, gold and silver, world coins, bullion, and ancient rare coins. The question is that how a particular coin become the rarest coin. The coin becomes the rarest if for any reason the minting of that particular coin is stopped due to any reasons, and then the few coins available become the rarest coin. 

The rare coins are totally different as there are not in circulation and these coins totally differ in date, minting, type, and peculiarities of design etc. the value of the rarest coin also differs from coin to coin as there are many features that increase the value of any rare coin. For example an 1856 flying eagle cent is 100 times more expensive than the flying eagle cent f 1857. This is because the former rarest coin production was stopped due to some error and this resulted in low production. Many times the production is stopped due to minor design change. Hence the coins that are less in quantity become the rarest coin. 

People who are interested in the collection of rarest coin can search many sites of rare coins on the Internet. They can browse the sites of historic ancient coins that have many different varieties of rare coins. They can even purchase the rare coins online. The bidding system is in vogue for the selling and buying of the rarest coin.  Some of the coins that are very rare are Bangladesh 5 taka, Indian state Baroda ½ rupee silver coin, rare Australian 1946 one penny coin, old Tibetan 3 spang silver coin 1946, soviet ussr Russia 1952 coin 1 kopek etc. 

The rarest coin is always more in demand than the rare coins as they are less in quantity and their market value is also very high as compared to the rare coins. Some of the coins that are rarest are 1913 liberty head nickel –5, 1894 s – barber dime, 1853 o seated liberty half, 1866 seated liberty half etc. one can get the list of the rare coins from the net and can place their order online by giving the highest bid.