Photographer:Lawrence Photo Studio, Chicago. The photographer's mark is at lower left and was hard to make out. Have included an enlargement of it that was auto corrected to best allow reading the name.
The photo 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.
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. 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.
Photo has been cropped, auto corrected and watermark removed. Previous upload was to establish dating, source and that there are no copyright marks on it.
((Information |Description=Publicity photo of Perry Como met by his young fans when he arrives at a Chicago train station. |Source=[http://www.ebay.com/itm/CT-Chicago-Tribune-Photo-Perry-Como-Singer-1947-/280748973067?pt=Art_Photo_Images&hash=item415df15c
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