Over 400 Showcases and 200 Booths Carpeted & Climate Controlled All on One Floor, Spacious Parking Lot Hundreds of Books on Antiques and Collectibles New Section for 21st Century Collectibles. Gateway Antiques and Collectibles Mall is always glad to accept applications from quality dealers. In addition to antiques and vintage collectibles, we have a 21st Century section of show cases devoted to new collectibles.