Unit 11 - Discovery & Hubble

We are pleased to present the Great Achievements in Space Exploration collection by Philatelic Mint, developed in collaboration with Smithsonian's National Air and Space Museum. Unit 11 Discovery & Hubble Presentation folder - 8 ½" by 11 * Mounts for all stamps Set of 10 Stamps 3 Souvenir Sheets Each monthly folder comes with a QR code that takes you to the National Air and Space Museum’s website where you can learn even more about the history and science of space exploration. Some of the codes will even take you to a landing page where you can post questions directly to the museum curators! *Folders are 3 hole punched for the Great Achievements in Space Binder. Albums are sold separately. Subscribe a unit month for 12 months