Favorite this☆ Post office workers Description: Large group of postal workers gathered in front of Post Office, opened in 1860. All wear similar suits, with wide-brimmed hats, and carry large sacks. Handwritten on back: "In the background is the Post Office, opened 1860." Details Resource ID: DPA3810 Subject: Postal service--Michigan--Detroit Photographic prints Date Issued: Unknown year Format: 1 photographic print mounted on mat board ; image 7.5 x 9.5 in. Member of: Burton Historical Collection Filing Location: D/Postal service Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.