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.
Appraisals
(908) 310-8554
Generalist dealer in rare books and manuscripts. Qualified estate, tax and insurance (more)
Book Dealer: Antiquarian & Rare
(518) 392-5209
Librarium - a secondhand bookstore in upstate NY since 1979. Browsers always welcome (more)
