This stunning collection of United Nations 1993-2013 Endangered Species Folders is a true gem for any stamp collector out there. It features a total of 21 folders that are in great condition and are sure to impress even the most sophisticated collectors. The folders also include some amazing information about the endangered species, making this collection not only beautiful but also educational. These stamps were produced in the United States and come uncertified. However, their quality is certainly not compromised, and they are sure to be a great addition to any collection. The state of Arizona is where the previous owner carefully kept and maintained this unique collection. Don't miss out on the opportunity to add these rare stamps to your own collection. Condition is VF+ to NM.  5 Are sealed.