Up4Sale.com was an online auction website, which launched on July 1, 1997 and was based in Cincinnati, Ohio, United States. Its co-founders included Rob Ratterman, Chris Downie, Tom Duvall, and Wally Carroll.[1] Carroll went on to found a successful concertina-making venture.[2] It was the only pre-IPO acquisition made by eBay on July 16, 1998, and subsequently integrated into the company.[3][4][5] Up4Sale.com shut down in 2000.[6]