I don't know if coins were produced but, a set of paper counterfeit treasury notes were printed in 1948.There is a possibility that coins were also struck.Many sold at Battlefields and Parks as souvenirs.I own several .This might be of some help at least a starting point.
http://reviews.ebay.com/How-to-tell-if-Confederate-money-is-fake?ugid=10000000002950014