Swann Galleries
Swann Galleries is a New York City auction house founded in 1941. It is a specialist auctioneer of antique and rare works on paper, and it is considered the oldest continually operating New York specialist auction house.The company has separate specialist departments for books, autographs and manuscripts, maps and atlases, photographs and photographic literature, prints and drawings, vintage posters, illustration art, and African-American fine art. Additionally, Swann conducts annual sales of printed and manuscript African Americana. In total, Swann conducts over 35 catalogued live auctions a year. Provided by Wikipedia