A newspaper article on the recent closure of Atlantic Club and how to redeem their chips. Looks like you are deemed a creditor of the casino and have to petition bankruptcy court for redemption.

http://m.pressofatlanticcity.com/news/breaking/atlantic-club-outlines-process-for-closing/article_8b195614-7497-11e3-82e6-001a4bcf887a.html?mode=jqm