The following are links to other websites that will have, if not feature, Crest and Seal chips. Please contact me if anyone else has such a web site. I will list it ASAP.
Robert Eisenstadt's Antique Gambling Chips & Gambling Memorabilia Web Site
Travis Lewin's Antique and Gambling Poker Chips
Chris Hendrix's Arkansas Illegal Casino Chips
Ed Hertel's Guide to Illegal Gambling Clubs and Chips
Louis Marshall's Brocante
Charlie Kaplan & Terry Shaffer's Caribbean Chip Guide
Some other neat sites for chip collectors in general.
Museum of Gaming History's Chipguide
Andy Hughes' Nevada Casino Chips
David Spragg's Marlow Casino Chips
Pete Rizzo's Old Vegas Chips
John Rudden's Starchip Enterprises
Mark Cotton's Casino Chips