These blotters from the Dale Hastin collection all come from the World War II years. Click any image to download a PDF of that blotter. The PDFs are about 0.3 to 0.6 megabytes in size.
Given the subject matter, this is likely from either the war or immediate postwar years. But it could also be from the Korean War era.
B&O began offering roomettes on its overnight trains in 1941, so this blotter is probably from that year or soon after.
This blotter uses an older graphical style than B&O’s postwar blotters, so I suspect it is from the war era or a few years before that.
B&O began providing bus service from Brooklyn to its Jersey City station in 1926. However, this blotter has a post-war style, so it is probably from 1946 or later.