On November 3, 1917, the normal letter rate was raised from 2¢ to 3¢ in support of the war effort. The rate hike was reflected in the first postwar commemorative—a 3¢ "victory" stamp released on March 3, 1919 (not until July 1 would postal fees return to peacetime levels). Only once before (with the Lincoln Memorial issue of 1909) had the Post Office issued a commemorative stamp unconnected to an important national exposition; and the appearance of the Pilgrim Tercentenary series in 1920 confirmed that a new policy was developing: the Post Office would no longer need the pretext of significant patriotic trade fairs to issue commemoratives: they could now freely produce stamps commemorating the anniversaries of any notable historical figures, organizations or events.