Postcard with photo of the last westbound run of the California Zephyr.  The train is stopped at Portola, California on March 22, 1970. The observation/club car Silver Crescent is at the tail end of the train.<br><ul><li>The card has no copyright marks-front &amp; back are seen here and at provided links.</li>
<li><a rel="nofollow" class="external text" href="https://www.copyright.gov/circs/circ03.pdf">United States Copyright Office page 2</a> "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.</li></ul><dl><dd>1 The symbol © (letter C in a circle); the word “Copyright”; or the abbreviation “Copr.”</dd>
<dd>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.</dd>
<dd>3 The name of the copyright owner, an abbreviation by which the name can be recognized, or a generally known alternative designation of owner.1 Example © 2007 Jane Doe."<i>)</i></dd></dl>
Audio Visual Designs, New York-photo by Douglas C, Wornom.
The cancellation is not able to be fully read-"197" can be seen.  The card has a six cent stamp, and this was the postage rate for postcards from <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170310170021/https://about.usps.com/who-we-are/postal-history/postcard-rates-since-1873.htm">1971 to 1974</a>.
<p>Original text : <i><a rel="nofollow" class="external text" href="https://web.archive.org/web/20170310164830/http://www.ebay.com/itm/RAILROAD-POSTCARD-WESTERN-PACIFIC-CALIFORNIA-ZEPHYR-/351980743184?hash=item51f3afea10:g:M2EAAOSwnbZYIVJv">eBay</a></i>
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