They are called Sputnik because of its resemblance to the spiked Soviet satellite launched in 1957. A beautiful example of mid-Century design. The item "Vintage 18k Yellow Gold Multi Gem Sputnik Non Pierced Clip Back Earrings 6.2 Gr" is in sale since Thursday, June 14, 2018.This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Retro, Vintage 1930s-1980s\Earrings". The seller is "henrysgems" and is located in Warrington, Pennsylvania. This item can be shipped to United States.