Description
Detroit, Michigan World's Only Floating Post Office, River, 2c stamp. Back of an addressed mailed item bearing a purple rubber imprint: O.J. Bielman, Jr. World's only floating Post Office, Post Office, Detroit River, Mich. Circular Detroit postmark reads SEP 7 (no year visible). Red 2c U.S. stamp is affixed and cancelled; handwriting shows recipient at Kellogg St., Westfield, Mass. Notes for Cover Collectors: • High-resolution scans of front and back are provided; use zoom to inspect postmarks, cachet details, and backstamps. • No third-party grading; condition is shown in the images.