GROUPON | $20 In-Store Old Navy Voucher ONLY $10! 11/25/2011 by Myrah Leave a Comment Groupon is offering a $20 Old Navy voucher for just $10 Jump on this GROUPON deal! With this Groupon you will be able to score 50% off any your in-store purchases! This Groupon is only good from 11/26/11-12/24/11 and it expires on 12/24. **(Limit 1 per person, bu are allowed to buy 1 additional as a gift)** This post may contain affiliate links or sponsored content. Read our full Disclosure Policy.