Two New York rare booksellers claim to have purchased--on Ebay, no less--an annotated dictionary that belonged to William Shakespeare.

Auction House
+31 23 532 3986
Twice a year (May and November) large auctions of books, manuscripts and art
Book Dealer: Antiquarian & Rare
(239) 989-9889
Edgar Allan Poe, Classic Literature, and Americana. Listings on Abebooks and Biblio.