First Day Cover Celebrates 150th Anniversary of Smithsonian Institution
Now you can own a Mystic First Day Cover featuring two US stamps commemorating the famous Smithsonian Institution – US #943 and #3059. This cover includes a full envelope cachet picturing the Smithsonian Castle, the first building of the institute. On the back you'll find the interesting history of the founding and opening of the Smithsonian Institution. A nice addition to your collection, send for yours today.