Circa 1917, the first, by Richard Babcock, JOIN THE NAVY (41.5 x 28), (linen backed, light browning, smoothed creases); the second, by Adolph Treidler, MAKE EVERY MINUTE COUNT FOR PERSHING (Philadelphia: Emergency Fleet Corporation), (27.75 x 22 in.), (linen backed, very fine condition).

$400 - 600