Original 1918 US WWI Poster Books for Soldiers, rare New York State issue For Sale

Original WWI poster by American Library Association, New York State Branch appealing for books for soldiers overseas. 12.5x19", printed on card as issued, small library imprint at lower right. Rare close to unique in all probablility.This rare specimen was part of a local historical society in my state collection that I purchased a few years ago, which was accumulated during WWI itself. Guaranteed authentic and as described. I offer full satisfaction guarantee (how many poster sellers do this?). Shipped carefully in double tube well protected. I combine shipping if purchasing multiple posters.