A 'Secret Index' of investment-worthy autographs, you say? Yes, and it has produced a 14.84% return per year since 2000.

Auction House
(212) 254-4710
Founded in 1941, Swann is the largest specialist auctioneer of Works on Paper in the (more)
Book Dealer: Antiquarian & Rare
(617) 945-5425
Specializing in antiquarian medical book before 1900.
Book Dealer: Antiquarian & Rare
(860) 526-3896
Specializing in Early Americana and many of the Americana series titles and other (more)
Book Dealer: Antiquarian & Rare
(757) 378-5400
Specializing in Americana, Collectible Photographs, Literary First Editions, (more)