Help identify the author's work

[Pecheneg]

Since the sketch was in the Sumy Museum, then maybe it belongs Samokish Nikolai Semenovich.

Horses hold a special place in the art Samokisha. Horses Samokisha known worldwide. For his depictions of horses awarded (elected academician of the "herd trotting mares, gave a medal of the World Exhibition of" quadruple in turn, ...), but not only. For the love of horses drawing it down and abused, wrote that he "hack" and "repeated" in his drawings "in the battle and" horse "theme" [6].

And that's what he wrote, NS Samokish 24 April 1929 his future apprentice, the Red Army, a veteran of the separate cavalry division Domaschenko Mark: "Your love for horses and cavalry case finds a ready response in my mind since I love it and as an artist and as a former cavalry officer (Japanese War). In this direction, I work to this day, the horse is regarded as a noble and beautiful creature, and I try to portray her not only externally, but also to convey her psyche, her enthusiasm, that most beautiful of the horse, even on a galloping mare is beautiful and picturesque. " [7]
http://www.peoples.ru/art/painter/nikolay_samokish/