I’ve previously shown a menu that is very similar to this one. Both have the same covers and similar (though not identical) breakfast offerings ranging from 50 cents to 90 cents.
Neither menu is dated, but the previous one identifies A. W. Deleen as Great Northern’s general superintendent of dining cars, while today’s gives the name of J. A. Blair. Blair had an interesting career that included work for the Pennsylvania, Canadian Pacific, Spokane, Portland & Seattle, and Great Northern Pacific Steamship Company before becoming GN’s superintendent of dining cars and, incidentally, sleeping cars in 1920. Deleen, meanwhile, attained the position no later than 1943 and continued at least through 1963. So today’s menu is somewhat older than the previous one.