A 'Secret Index' of investment-worthy autographs, you say? Yes, and it has produced a 14.84% return per year since 2000.
Book Dealer: Antiquarian & Rare
Book dealer since 1998. Member: Maine Antiquarian Booksellers Association; Ephemera (more)
Book Dealer: Antiquarian & Rare
Rare and uncommon books in all fields, with specialties in archaeology, anthropology (more)