L.V.
Л.В.
Artist signs poster with the initials L.V. There exists a slight orthographic discrepancy regarding the initials of this artist whereby L.V. is at times cited (in English) as L.B. even though L.V. is correct. Research indicates the artist worked in the city of Kiev.
Fuentes
Soviet Posters of the era of the Civil War 1918-1921 by B.S. Butnik-Siverskii (1960), page 538, artist L.V. (Л.В.)