Бубнов Александр 1908 1964 Утро на Куликовом поле 1943 1947 холст масло 270х503 см часть 1 - Russian and soviet artists Русские и советские художники

The picture has something of this: people, weapon, war, skirmish, sword, group, soldier, military, man, shield, armor, wear, warrior, army, many, knight, veil.
Perhaps it’s a painting of a group of men standing in a field next to each other with a flag on top of one of the men’s shoulders.