Don't forget about Copper Coins http://www.coppercoins.com/advsearch.php There hasn't been any new listings for a few years but there is a wealth of listings there... Also Wexlers http://doubleddie.com/ has a ton of stuff... Ken Potter also has listings http://koinpro.tripod.com/educationalimagegallery.htm there is also Brians Varieties https://www2.briansvarietycoins.com/listings