Postcard showing a photo of the workroom at the Post Office building designed by Detroit architect Albert Kahn, opened in 1907. The building's stone trim and repeating arches exemplify Second Renaissance Revival architecture. The post office became the Calhoun County Hall of Justice in 1978. The structure was listed on the National Register of Historic Places in 1972. Caption on front: Workroom U. S. Post Office Battle Creek, Mich. Written on back: Will be in B.C. Mich on the earliest car one can get. will go to Harry's Mon. all well Grapes aren't ripe enough to pick until the first of the week. Sept 14 1907 Good bye Lotta Sent to: [illegible] Tompkins Bellevue Mich R. F. D. #6 Sent on: September 17, 1907