Postcard photo of the dining car of the "new" Oriental Limited. The train began its route in 1906 and received a new all steel trainset in 1924. It was at this time Great Northern promoted it as "the new Oriental Limited"; by 1929, it was downgraded from a deluxe to a secondary train.
Date
Not mailed. From its deluxe status and the information re: new trainset and promotion in 1924, circa 1924. Those in the photo appear to have clothing and hairstyles of the 1920s.
The card has no copyright markings on it as can be seen in the links above.
United States Copyright Office page 2 "Visually Perceptible Copies The notice for visually perceptible copies should contain all three elements described below. They should appear together or in close proximity on the copies.
2 The year of first publication. If the work is a derivative work or a compilation incorporating previously published material, the year date of first publication of the derivative work or compilation is sufficient. Examples of derivative works are translations or dramatizations; an example of a compilation is an anthology. The year may be omitted when a pictorial, graphic, or sculptural work, with accompanying textual matter, if any, is reproduced in or on greeting cards, postcards, stationery, jewelry, dolls, toys, or useful articles.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |Description=Postcard photo of the dining car of the "new" Oriental Limited. The train began its route in 1906 and received a new all steel trainset in 1924. It was at this time Great Northern promoted it as "the new Oriental Limited"; ...