Pioneer Jupiter - Marking United States Unmanned Space Accomplishments Block of Stamps

OFFICIAL FIRST DAY OF ISSUE Pioneer Jupiter Marking Unmanned Space Accomplishments Art Craft IN FEB. VIEW, 1975 94042 CCC CA СССС USE ZIP CODE PIONEER JUPITER PIONEER JUPITER US 10c cccccccc ССССССССС FIRST DAY OF ISSUE PIONEER JUPITER PIONEER JUPITER US 10c ZUS 10c ССССССССС US 10c