Nikolai Vasilyevich Zaretsky, 1876 to 1959, a pair of watercolor paintings on paper, Changes in Uniforms and Armament of Troops of the Russian Imperial Army, 1911, after Petr Gubarev, 1818 to 1874. Both are signed and dated, lower left. Framed. Nikolai Zaretsky, a Russian artist, graphic artist, art historian, historian, uniformologist lived from 1876 to 1959. He graduated from the Tver Cavalry School and the Drawing School of the Society for the Encouragement of Arts, 1912. From 1920, he was in exile in Berlin. He was chairman of the Union of Russian painters, sculptors and architects. From 1931 he lived in Prague. In 1951 he moved to Paris. The personal archive of the artist is kept in the Literary Archives of the Museum of National Literature in Prague and the archives of Columbia University in New York. One of a kind artwork.