Printable Coupon For Comstock Pie Filling! I may have been given a product for this post and/or it may have affiliate links in it. Disclosure PolicyJul/10th/2012 by Crystal Leave a Comment Here is a yummy coupon for you! You can print a coupon for Save 55¢ on any two Duncan Hines® Comstock® or Wilderness® Fillings & Toppings Never miss a deal! Sign up for my FREE daily deal email.