Arapahoe Coin & Stamp has an extensive stock of both United States (including back of the book) and foreign stamps.  Approximately half of our office space is devoted to stamps and stamp supplies; we have a room dedicated to all things philatelic:  stamps; postal history; plate blocks; souvenir sheets; first day covers; as well as country collections in albums and broken-out on original pages and much more. We are continually buying new collections and keep current issues for the most popular countries.  We will endeavor to find stamps not in our stock for our customers looking to fill-in the hard-to-find blank spaces in their albums.