Flags Connections U.S. Marine Corps medal and certificate of achievement frame has a 1-3/4" x 4" medal opening, centered above a United Sates Armed Service Medallion. To the right of the medal opening is an 8" x 10" certificate or award opening. The medal and award openings are bevel-cut into a double layer of matting. The inside layer of matting has an elegant, golden accent. This solid wood, mahogany stained frame is perfect for showcasing any military honors, awards, certificates of achievement or large photographs.