Sotheby’s

http://www.sothebys.com/en.html

One of the leading auction houses in antique and art. Serving in various countries including an office in Istanbul, the institution website provides access to related sub-departments and information about the auctions. A pioneer in global auction culture.

http://www.sothebys.com/en/auctions.html

The link takes you to the latest on auctions, catalogs and results. Registration and internet or phone-based auction attendance are also possible.