The clud had two different names - North Shore Club and Smith's North Shore Club. There were several different series of chips. If you want to see what they are worth you can check the sales on eBay - here is a link:

http://collectibles.search.ebay.com/north-shore-club_Individual-Collectible_W0QQcatrefZC6QQcoactionZcompareQQcoentrypageZsearchQQcopagenumZ1QQfclZ3QQfgtpZQQfposZ95678QQfromZR2QQfsooZ1QQfsopZ1QQftrtZ1QQftrvZ1QQlopgZQQsacatZ63749QQsadisZ200QQsaprchiZQQsaprcloZQQsargnZQ2d1QQsaslcZ2QQsbrftogZ1QQsofocusZbs

If you want more information about specific chips please feel free to ask.....