解説Union Pacific generation 2 GTEL and Big Boy locomotive 4022.jpg
Postcard photo of Union Pacific locomotives at Cheynne, Wyoming. At left is a second-generation GTEL, number 75. To the right is Big Boy number 4022. The photo was taken in November, 1956.
The card has no copyright markings on it as can be seen in the links above.
Cards issued by the company after 1977 have copyrights on the photos.
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.
{{Information |Description=Postcard photo of Union Pacific locomotives at Cheynne, Wyoming. At left is a second-generation GTEL, number 75. To the right is Big Boy number 4022. The photo was taken in November, 1956. |Source=[http://www.ebay.com/itm/...