This is a rare set of authentic USA vintage space exploration stamps, framed & matted including a certificate of authenticity stamp at the reverse.
The stamps commemorate significant moments in space exploration from the mid-1970s. The stamps, titled "Space Exploration," feature the Apollo-Soyuz Test Project, Viking missions to Mars, Skylab, and Pioneer
Features:
* Collection: Limited edition 28 of 2,500.
* Title: Space Exploration Postage Stamps
* Date: Vintage, circa 1974-1978
Stamp Specifications:
1). Apollo-Soyuz Test Project (July 15, 1975): A joint space mission between the United States and the Soviet Union in 1975, symbolizing a period of cooperation during the Cold War.
2). Viking Missions to Mars (July 20, 1978): Marks the 2nd anniversary of the Viking 1 landing on Mars.
3). Skylab (May 14, 1974): Depicts the first US space station, which served as a “laboratory in space."
4). Pioneer Jupiter (February 28, 1975): Commemorates the Pioneer satellites, one of which passed close to Jupiter and its moons.
