Mailing list for buying and selling rare, collectible books…
This looks very interesting:
The Bibliophile Mailing List exists for the purpose of buying and selling rare, scarce, out-of-print, and collectible books and related material; and for discussions pertaining to these activities. Members are expected to observe the amenities of good manners and professional behavior. We welcome articles and discussions about books, including collecting, preserving, selling, etc.