Asia is famous in the world of numismatics for having the first coinage in the world. Dating back to 600 BCE, the first coins of China are great to study. The shapes of knives and spades were used in the original coinage before undergoing a number of changes. Some regard these knife and spade shape items as ornaments and not used for currency. Overall, Asia has a wide variety of coins in many shapes and sizes and are quite collectible in any condition. Asian coins are a great start to a world coin collection.