http://www.articleheaven.net en-us editorial@articlealley.com Collecting challenge coins has become a popular hobby of many americans. Coins are very popular among members of the military, as well as civilians. Even kids are getting into collecting coins.Challenge coins can be found in a variety of shapes, sizes and... http://www.articleheaven.net/custom-coins-made-right-1401782.html 17th February 2010 Collecting challenge coins has become a popular hobby of many americans. Coins are extremely popular among members of the military, as well as civilians. Even children are getting into collecting coins.Challenge coins can be found in a variety of shapes, ... http://www.articleheaven.net/mint-coins-1396569.html 15th February 2010