Eileen Forrester Agar RA (December 1, 1899-November 17, 1991) was a British-Argentinian painter, sculptor, photographer, and collage artist associated with the Surrealist movement.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Eileen_Agar
Quadriga by Eileen Agar
1935 / Oil on canvas / 20″x24″ / ©The estate of Eileen Agar
Eileen Agar on Artnet: http://www.artnet.com/artists/eileen-agar/
Further reading:
https://awarewomenartists.com/en/artiste/eileen-agar/
https://www.artic.edu/articles/889/when-eileen-agar-made-a-magritte-her-own
https://www.artlyst.com/reviews/eileen-agar-a-surrealist-trailblazer-whitechapel-gallery-sue-hubbard/
The Misty Miss Christy 
Reblogged this on sketchuniverse and commented:
🐎🐎🐎🐎 WELL DARLINGS, WHEN AN ARTIST IS ABLE TO MAKE FOUR VARIATION LIKE THIS, IS SO GREAT AS SHE WAS. DON’T MISS OPEN THE LINK OF THIS ARGENTINIAN MASTER.