Dog-face Soldier was presumably painted during Grell’s time in the Army during World War I in Vancouver, WA
Tarzan & Jane illustrator J. Allen St. John (1875-1957) created a similar Dog-face Soldier during the war
click here to visit our page on Grell’s illustrations from World War I. Included here is a copy of a postcard photo of Grell (he is on the right) to family when he was stationed at Vancouver Barracks, WA in October 1918 when he illustrated for the post paper.
Louis Grell: 14.5″ x 11.5″ oil on panel, c1918, private collection