Favorite this☆ Business card for Peter Koenig Description: View of a business card for Peter Koenig. Printed on front: "Peter Koenig, dealer in coal and wood. Office & dock: 362 Atwater Street. Office & yard: 368 Gratiot Ave. Detroit, Michigan." Shopping list printed on back. Details Resource ID: bh012610 Subject: Coal trade--Michigan--Detroit Fuel trade--Michigan--Detroit Business cards Date Issued: Unknown year Format: 1 business card ; 2.75 x 4.5 in. Member of: Burton Historical Collection Filing Location: E&M 977.4D4 381 K Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.