TV show appraisers measure treasure at Heinz History Center

... wooden box owned by Jane Sawyer, 82, of Hampton. It was the ceremonial first spike used in construction of the New York City subway system a century ago. New York City Mayor Seth Low pounded it into the track before it was pulled back out and ...

http://www.post-gazette.com/stories/local/region/hidden-treasures-to-be-appraised-in-pittsburgh-today-700722/