16x43 White Picture Frame with 13x39.5 White Mat Opening for 13.5x40 Image, 0.75 Inch Border, UV - Walmart.com
Amazon.com - 39x13 or Puzzle Frame Brown Barnwood Distressed/Aged Old Weathered Natural Wood Look Panoramic Frame with UV Acrylic Glass, Foam Board Backing & Hanging Hardware Included
Amazon.com - Poster Palooza 13x39 Frame for Jigsaw Puzzles - Wooden Silver Puzzle Frame with Mat (Black) Made to Display Puzzles Measuring 13x39 Inches with UV Acrylic and Hanging Hardware