Main CB thread: https://bitcointalksearch.org/topic/historic-cryptogenic-bullion-thread-closed-245086
CGB Accepted here thread: https://bitcointalksearch.org/topic/cgb-cryptogenic-bullion-accepted-here-277621
Marketing campaign thread: https://bitcointalksearch.org/topic/anncgb-cryptogenic-bullion-marketing-campaign-update-ccn-285774
Facebook/Twitter giveaway thread: https://bitcointalksearch.org/topic/like-the-bull-follow-the-bull-cgb-giveaway-270271
Their main website can be found here: http://CryptogenicBullion.org
So what exchanges currently allow one to buy CGB?
Cryptsy: https://www.cryptsy.com/markets/view/70
CoinEx: https://coinex.pw/trade/cgb_btc
Our list of services: http://cryptogenicbullion.org/services.html
Cheers!
-Merc