(517-1) This is a folder that was either passed out or mailed in an envelope to invite people to come in and see the new 1951 Henry J. It measures 6 x 4 1/2 and opens to 12 x 4 1/2 (that's the second view below).
(517-2) This folder was probably handed out at a fair or some other public event where the 1951 cars were being exhibited. It measures 7 1/4 x 4 and opens to 7 1/4 x 8 inches. "We just rode in the Henry J and we agree it is the most important new car in America."
(517-3) Top item for the 1951 Henry J is this colorful folder. This one is fairly common, but should be owned by every Henry J fan because it's just a nice item! It measures 7 3/4 x 9 and folds out to 40 x 9 inches.