Penny Black
Sotheby’s will offer a one-of-a-kind item linked to the history of modern mass communication: the earliest posted envelope using a prepaid stamp.
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
(707) 975-5062
Specializing in Books, Maps, and Ephemera on Exploration, Polar Regions, Western (more)
Book Dealer: Antiquarian & Rare
Specialists in medicine & surgery, Bibles & theology. 16th through 19th (more)
