These colorful "Hot Air Balloon" postage stamps were issued in 1983. Celebrating the 200th anniversary of the first balloon flight, this set of four was released in both Albuquerque, New Mexico, and Washington, D.C. The balloons pictured are the "Intrepid," used by the Union Army during the Civil War, modern hot air balloons, and the "Explorer II," used by the National Geographic Society and the U.S. Army. Your artwork is proudly displayed and protected within our premium acrylic display frame. The frame is made of two acrylic panels custom cut to the exact dimensions of the stamp sheet and held together with 8 powerful nickel-plated magnets. The background panel is glossy black acrylic. Dimensions: 9.4375 inches Wide x 11.4375 inches High Includes a FREE table-top stand or hang it on a wall with a 3M frame strip (or similar) which is also included. Care Instructions: Wipe gently with mild glass cleaner. Use a soft cloth towel and avoid paper towels.