$10 Jc Penney Coupon - MNG by Mango .Print coupon for a $10 discount on MNG by Mango purchase of $25 or more. See coupon for more details.( October-29-2011 )$10 Jc Penney Coupon ( New ! )New Clients, print coupon for a $10 discount on a salon service of $30 or more. Existing clients, FREE hairglossing or eyebrow arching with purchase of $30 or more. See coupon for more details.( October-22-2011 )