Ivan alerted me to PBA's new Comic Book Auction. It has a lot of excellent old comics for sale.
PBA's latest Comic Book auction is now online. It's a big sale, with 500 lots of pre-Code, Golden Age, Silver Age, R. Crumb, and original art.
Only 100 softcover catalogs were printed. They're available at $40 each, but fewer than 30 copies are left. There's a limited edition hardcover (15 copies), of which only 5 copies remain.