Iconic Norwegian Tone Vigeland Sterling Silver Sling Slynge Earrings

Sterling silver iconic "Sling" (Slynge) earrings by Norwegian artist Tone Vigeland (1938-2024), for PLUS, Fredrikstad, designed 1958 Signed – Hallmarks: ND maker’s mark: T in V [] Sterling 925s Norway Worn over the ear Extremely rare Documented in the book “The Jewelry of Tone Vigeland 1958-1995”, Oslo, Norway: Oslo Museum of Applied Art, 1995 Approximately 1 7/8 in. long Approximately 18.4 grams Used, in very good vintage condition. Tone Vigeland was revered as "The Grande Dame of Scandinavian Jewellery." Her works are found in esteemed institutions such as the Museum of Modern Art, the Victoria & Albert Museum, the Smithsonian, and the National Museum of Modern Art in Tokyo Minimalist, mid-century, MCM, modernist, artistic, 1960s, 1950s, 1970s