- Caption: Pittsburgh District: Cheapest and Best Fuel Feeds Nations' Industries: Coal -- Coke -- Oil -- Natural Gas.
- Notes: One of a series of stamps issued by the Pittsburg Dispatch. Upper right-hand corner damaged; digitally repaired. Size: approximately 2" x 1.5" (5cm x 4cm).
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- From the Collections of the Pennsylvania Department,
- Carnegie Library of Pittsburgh.