They look exceptionally pretty on. On the back of each earring they are clearly marked for 830 silver and signed by the maker. They will be sent in a presentation box.The item "Scandinavian Modernist Silver Earrings Sputnik Mid Century 1970s Retro R3525" is in sale since Friday, August 19, 2016. This item is in the category "Jewellery & Watches\Vintage, Antique Jewellery". The seller is "jewelry_secrets" and is located in Sydney. This item can be shipped worldwide.