 In 1941-1943 they were most often paid with Soviet "Stalin" rubles from the 1937 model with portraits of Lenin (chervontsi), depicting the Red Army soldiers and Soviet military pilots who fought against them (treasury tickets).Since chervontsy walked on both sides of the front, and the Reichsmark's course was artificially overvalued by the Germans (accordingly, the chervonetz is understated), prices on the Soviet side were lower than in Germany.This meant that when a city was liberated from the occupiers, prices in the local market were immediately reduced, sometimes up to three times, which was positively perceived by the local population.