Copyright notice is omitted.

All versions of and other unscanned portions of the back of this photo do not display the copyright notice. This photo was released under the Copyright Act of 1909, and, under the 1909 Act, the copyright notice was required and must contain three elements:

1. The symbol © (letter C in a circle); the word “Copyright”; or the abbreviation “Copr.”
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."

   This was not required for copyrighted photos published before 1978 under Copyright Act 1909, and omission of date may have been irrelevant to such works. Omission of year is permitted for pre-1978 works. Publication with notice (year or no year) secures copyright. Unpublished pre-1978 photos may have been registered and still count as "published", even if unpublished.

3. The name of the copyright owner, an abbreviation by which the name can be recognized, or a generally known alternative designation of owner.

   Example © 2007 Jane Doe.

See http://www.copyright.gov/history/1909act.pdf for older rules that apply to pre-1978 works without required notice. See more at Appendix A of the Copyright Act of 1976: http://www.copyright.gov/title17/92appa.pdf.

Film production expert Eve Light Honthaner in The Complete Film Production Handbook, (Focal Press, 2001 p. 211.):

The Professional Photographer's Legal Handbook By Nancy E. Wolff, Allworth Communications, 2007, p. 55:

Creative Clearance-Publicity photos archive copy at the Wayback Machine"

本作品在美国属于公有领域，因为其于1929至1977年（包括）间在美国出版，且没有著作权声明。更多详情，请参见共享资源:赫特图表以及公共艺术品“出版”的详细说明。请注意此作品在对美国作品不适用较短期限法则的管辖区可能仍然受版权保护（基于作者的逝世日期），例如加拿大（作者逝世后50年）、中国大陆（作者逝世后50年，不包括香港和澳门）、德国（作者逝世后70年）、墨西哥（作者逝世后100年）、瑞士（作者逝世后70年）及其他有本地条约的国家。 العربية ∙ беларуская (тарашкевіца) ∙ čeština ∙ Deutsch ∙ Ελληνικά ∙ English ∙ español ∙ français ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ Nederlands ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

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• 2009-04-11 02:19 Vegavairbob 2434×3292× (1580562 bytes) color
• 2009-04-11 02:16 Vegavairbob 2434×3292× (2083333 bytes) color
• 2009-04-11 01:32 Vegavairbob 2419×3262× (1773534 bytes) {{Information |Description = 1971 Chevrolet Vega Ad-Car of the Year |Source = Motor Trend Magazine |Date = 1971 |other_versions = }}