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Photograph
H. Bentley Hahn Personal Papers
HBHPP-001-029-p0013
Photograph of United States Postal Inspector H. Bentley Hahn standing behind a table at the ZIP Code Symposia. Handwritten on verso is, "H Bentley Hahn, 'ZIP Code Symposia,'" and stamped on verso is, "Mar 16 1965, Photo Laboratory, US Post Office, Pittsburg, Pa."
Collection
HBHPP
Papers 1953-1983. Post Office Department employee; developed the ZIP Code for mail addressing. Materials relating to the development and implementation of the Zone Improvement Plan (ZIP Code).