These are chips from the Silver Shadow cruise ship that is part of the Silverseas Cruise Line, very upscale. The casino is managed by Century Casinos Inc., a company that manages casinos on several cruise ships. The chips are available for trade or sale. $3 for the $1 chip and $8 for the $5 chip.

My trade and want lists: http://pws.prserv.net/ckaplan/