WHY IS THE STUDY OF COINS FROM AROUND THE WORLD IMPORTANT?
Every country has a unique identity which is defined by its history, traditions and cultures. Coins of the world give you an insight into this valuable history.  Ancient world coins from Greece, Rome and India are studied in depth by numismatists all over the world. 
Some of the rare world coins have been sold at auction houses for impressive amounts. Which is why, many people take up the hobby for investment purposes.  The value of these world coins depends on a lot of factors like condition, rarity, age, historical significance etc. 
Unlike general assumptions, study of valuable coins from around the world provides sound evidence for events that took place in our past.  These world coins also help numismatists and historians gather information about kings and rulers of a particular dynasty. 
The designs and inscriptions featured on coins of the world indicate the influence of a particular culture or language in an area.  It gives a clear insight about the evolution of a specific dynasty or civilisation in a specific time period. 
The study of coins from around the world is fascinating and satisfying at the same time as you are able to solve numerous mysteries hidden in our past.  Through the hobby of collecting rare world coins, one can enhance their knowledge about world history and politics easily. 