The picture is a portrait of an equestrian of the artist's wife Catherine Anisimovna Stulovskaya (née Frentz).
Painted about 1925, the portrait represents a young woman astride on a horse in a suit for riding.
In a picturesque and composition relation a portrait exudes between works of artist of 1920th and does not have analogues in collections of the largest Russian Art museums.
Horsewoman was first showed on the personal exhibition of Rudolf Frentz in 1928 in Leningrad.
[2] In 2007 the painting «Horsewoman» was reproduced and described among 350 art works by Leningrad artists in the book «Unknown Socialist Realism.