http://www.challengecoinsociety.org Challenge Coin Industry Standards and Guideline Group Fri, 03 Apr 2009 15:16:31 +0000 http://backend.userland.com/rss092 en http://www.challengecoinsociety.org/coin-news/challenge-coin-copyright/ http://www.challengecoinsociety.org/cool-news/nbc-nighlt-news-graces-challenge-coins/ http://www.challengecoinsociety.org/cool-news/challenge-coin-penny-auctions-january-2009/ http://www.challengecoinsociety.org/new-sites/new-site-challenge-coin-digest/ http://www.challengecoinsociety.org/coin-news/the-best-site-to-buy-challenge-coins/ http://www.challengecoinsociety.org/collecting-thoughts/impact-challenge-coin/ http://www.challengecoinsociety.org/collecting-thoughts/an-official-challenge-coin-trading-day/ http://www.challengecoinsociety.org/cool-news/odd-shape-coin-sr-71-blackbird-challenge-coin/ http://www.challengecoinsociety.org/cool-news/auction-special-you-can%e2%80%99t-beat/ http://www.challengecoinsociety.org/cool-news/us-challenge-coins-1-year-anniversary/