This July 23rd there will be a great marble auction in Cambridge, Ohio. With 300+ lots to choose from the variety looks fantastic and there is something for everything.
Apparently most of these are in mint condition so if you're lucky to live near the heart of America's marble country, don't miss out on this opportunity.
Be sure to download the DOC listing of the lots because the pictures are just a sampling.
Check out the AuctionZip listing for more details.