Osh Kosh Coupon May 2012 By Coupon Dad on April 8, 2015 - Leave a Comment Osh Kosh Coupon May 2012 We have a GREAT Osh Kosh coupon for you today! Save 20% off your purchase of $40 or more…. NICE! Osh Kosh coupons This Osh Kosh coupon is valid through May 16th, 2012… So HURRY! You don’t see these out too often so grab yours and get to the store! Enjoy!