Apfelbaum Stamps is an online retailer specializing in postage stamps and stamp collections for collectors. Its offerings include individual lots, larger collections, and accumulations sourced directly from estates and private collections. The catalog spans stamps from North America, Europe, Asia, Australia and Oceania, Central and South America, and Africa, with dedicated sections for the United States, Canada, and Great Britain and its colonies. Shoppers can also browse discount postage and explore the store’s full selection through its online shop.

The website provides account creation and sign-in options, product search, and information about shipping and returns. Customers can contact Apfelbaum Stamps by email or phone, and the company lists its address in Camden, New York. Its site also features Apfelbaum’s Corner, along with policies and practical information for buyers, including guidance on resale certificates. By organizing inventory by geographic region and product type, Apfelbaum Stamps offers collectors a straightforward way to browse stamp material from around the world.