Miye Matsukata (January 27, 1922-February 16, 1981) was a Japanese-born American jewelry designer.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Miye_Matsukata

25th Anniversary Print by Miye Matsukata
1975 / Lithograph / Sheet: 22 3/8″x14 13/16″ / Museum of Fine Arts, Boston
Inset: Photograph of necklace by Miye Matsukata

Miye Matsukata at The Smithsonian: https://americanart.si.edu/artist/miye-matsukata-5876

Further reading:
https://www.csmonitor.com/1980/0409/040919.html
https://www.historicnewengland.org/5womenartists-in-historic-new-englands-collections/
https://www.ganoksin.com/article/master-metalsmith-miye-matsukata/