F.Sh.
Ф.Ш.
Artist signs poster with the initials F. Sh. Little is known about the identity and history of the artist other than posters created in their hand were issued in Imperial Russia during World War I.
Fuentes
Baburina, N. I. (1992). Russkii plakat Pervoi mirovoi voiny. Moscow: Tvorchesko-proizvodstvennaia firma Iskusstvo i Kul'tura. (P. 97, work cited)