Back them up. Invest in the war loan.

Back them up. Invest in the war loan. LOC Summary: Poster showing a mature, prosperous man reaching into his pocket as he watches soldiers and artillery pass by; caption, "My duty.". LOC Notes: Poster no. 15. Date Created/Published: London : Parliamentary War Savings Committee, 1915. World War One poster provided by LOC. Original medium: 1 print (poster) : lithograph, color ; 74 x 50 cm.