Check out your latest Photograph Collector, Wall Street Journal or New York Times (Friday, Nov.12 editions) for the full press release from the lawyers of a trio of dealers--Howard Greenberg Gallery, Edwynn Houk Gallery and Robert Mann Gallery. 

The release announces the formation of a group to "investigate and research very recent questions concerning the authenticity and/or age of certain photographic prints by the noted American photographer Lewis Hine." 

According to the release, "the photographs in question were sold during approximately the last 15 years."

Reportedly, the dealers have been in contact with their clients who have purchased Hine prints from them.