It is The Logo for Royal Caribbean Cruise Lines and its
a reward program for repeat cruises on Royal Caribbean Cruise Lines.
I'm a member
You can go to Royal Caribbean webpage for all the information!
Yes - well, it's for repeat cruisers. There are little "niceties" you can be given after cruising with RCCL - I can't remember the particulars, but you can read about it at: http://www.rccl.com Just go to the link re: Crown & Anchor - it's explained very well there.