HOT! Buy One Get One FREE 12pk of Pepsi Coupon This post may contain affiliate links. Please see the full disclosure policy here. Posted on March 11, 2011 Written by Mary 2 Comments GONE WOW!! HURRY OVER to the Pepsi Throwback Facebook page, click the “LIKE” button and then “Throwback Coupon” tab and print a coupon for Buy 1 Pepsi Throwback 12 pack and Get 1 Free. first 5,000 only!