Item 20317 - Mail truck, Portland, 1926 Item 20317 - Mail truck, Portland, 1926 Contributed by Maine Historical Society/MaineToday Media Item 20317 Zoom 4402px x 3387px - 14.7"w x 11.3"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society/MaineToday Media Image Info A U.S. Post Office mail delivery truck, loaded with holiday mail at Christmas time in 1926 in Portland. Show Details