Receive 50% Off List Price of Any Blu-ray Discs at Borders with this Printable Coupon. Valid through 10/17 for in-store use only, limit two Blu-ray discs per customer. Here is a screenshot for your reference. While it says valid with Borders Rewards membership only, we have never been asked to provide a Borders’ membership card or number. In addition, the membership is a free instant sign-up if needed. Find a Borders store location.