CHARLES LIVINGSTON BULL (1874-1932) KEEP HIM FREE / BUY WAR SAVINGS STAMPS. 1918. 29 1/2x19 1/2 inches, 75x49 1/2 cm. Ketterlinus, Philadelphia. Condition A- / B+: minor tears at edges; faded in upper text. Paper. Borkan p. 137, Rickards 94, Rawls p. 218, Keay p. 46.
