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Postcard of Oil City, PA Boiler Works Looks like the post mark reads Parkers Landing, PA Oct 29, 1907.
Postcard sent to Janette Francisco from Rawlon Benson Francisco Gordon, her grandson. It was sent from Parkers Landing, PA to Parkers Landing, PA.
Janette and (Henry?) Francisco were parents of Rawlon Benson Francisco, Richard B. Francisco and John Francisco; and the grandparents of Donald Lewis Francisco.
http://www.familyoldphotos.com/pa/3b/oil_city_boiler_works1-back.htmOil City Boiler Works