Margit Kovács (November 30, 1902-June 4, 1977) was a Hungarian ceramist and sculptor. A museum of her work was opened in 1973.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Margit_Kov%C3%A1cs

Wine, Wheat, Peace by Margit Kovács
1942 / Glazed terracotta relief / 45-1/4”x53-1/2” / Ferenczy Museum, Szentendre, Hungary

Margit Kovács on Artnet: http://www.artnet.com/artists/margit-kovacs/

Further reading:
https://www.hung-art.hu/frames-e.html?/english/k/kovacs_m/index.html
https://awarewomenartists.com/en/artiste/margit-kovacs/
https://marshallcolman.blog/2014/08/05/margit-kovacs-versatile-hungarian-ceramist-who-combined-folk-and-modernist-elements-in-her-work/