The description on the front of the card:
Lock No. 18 on Ohio River, Between Parkersburg, W. Va. and Marietta, Ohio
Postmark Date: May 14, 1931
Era: Linen Era
Condition: Used
Addressed to:
Mrs. Eliza Converse
Washington Street
Westfield, Massachusetts
Published by:
I. Robbins & Son, Pittsburgh, Pa.
I. Robbins & Sons was a publisher based in Pittsburgh, Pennsylvania, active from 1911 to 1943. They produced numerous postcards during this time period, with many printed by Curt Teich.
Cancel type: Machine cancel
Stamp: Green one-cent
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Rights Info: Public Domain