The Ursae Minoris Certified Style Universal Insert along with the proper sized ring and metal plaque is far and away the highest quality, most stylish way to store and display your prized coins. The translucent insert ring design not only adds to the holder's visual appeal, it also allows an economical path to storing large collections. With the addition of Ursae Minoris Metal Plaques for coin denomination and mint, the completed Ursae Minoris Elite Certified-Style Holder will add to the visual appeal of even the most beautiful coins like no other available. They are especially effective in display cases with dark backgrounds, darkening the semi-transparent rings so that the coins pop to dramatic effect.