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Coin collecting is the collecting of coins or other forms of minted legal tender.
Coins of interest to collectors often include those that circulated for only a brief time, coins with mint errors and especially beautiful or historically significant pieces. Coin collecting can be differentiated from numismatics, in that the latter is the systematic study of currency as a whole, though the two disciplines are closely interlinked.
A coin's grade is a main determinant of its value. Commercial organizations offer grading services and will grade, authenticate, attribute, and encapsulate most coins. 
The motivations for collecting vary from one person to another. Possibly the most common type of collectors are the hobbyists, who amass a collection purely for the pleasure of it with no real expectation of profit. 
It’s easy to start a coin collection. You can begin with coins that you already have on hand.
Our coin collecting app will help you to collect coins, create collection, identify coin by image and by date of issue.

My coin collection: coin album

My coin collection: coin album的最新版本