Front and side view of U.S. Post Office; Richardsonian Romanesque building has clock tower. Printed on front: "Detroit, Mich. Post Office. Pub. by Patridge & Blackwell, Detroit, Mich. and Leipzig." Handwritten on front: "Trips both postponed indefinitely. N.J.W. 8/24." Card is postmarked August 27, 1906.
