Founded by the former San Francisco real estate broker Michael Bruno in Paris in 2001, the art-and-antiques e-commerce site known as 1stdibs uploads some 9,000 new items every month. This high volume, however, does not result from a lack of curatorial vision. Culling its inventory from top galleries and dealers in the United States and eight other countries, 1stdibs has positioned itself as the source for noteworthy antiques, modern design, lighting, and jewelry. The site’s experts vet every dealer who applies to join, and Bruno visits every dealer and gallery represented. The wait for admission to the site is roughly two years. Collectors can use 1stdibs to contact dealers or buy directly online. Perhaps because of the service’s high standards and ease of use, more customers, including museum curators, are choosing the direct route.