Sotheby's is not just one of the oldest fine art auctioneers in the world, but also now the largest. There are more than 100 Sotheby's offices around the world; and, in 1998, auction sales produced a turnover of just under $2 billion.
Sotheby's - The James S. Copley Library: Magnificent American, Historical Documents: Third Selection
29 May. 2011