Coupon for the Holtzman Cleaning Company. Printed on front: "This coupon certifies that 15c. in work has been done for the bearer by the Holtzman Cleaning Company, 755 Kercheval Avenue, cor. Hibbard Ave. Special coupon offer. When you hold coupons to the amount of $10.00 bring them to Holtzman Cleaning Company, 755 Kercheval Ave., cor. Hibbard, Detroit, Mich. and receive $1.00 in work free. Our charges are no higher by use of these coupons. Branch 411 Jos. Campau Ave. Phone City 1033-X. Hickory 527-J. Field 873-X."