For those holiday cards that have sentimental value, a system to keep them organized and artfully arranged is über-important—especially if their senders end up visiting your cozy abode for a Christmas party or two this season! Enter the Christmas card holder, which allows you to keep your good tidings tidy while also serving as a sophisticated piece of holiday decor on its own. Here are 15 ideas for displaying your jolly snail mail through the holidays and beyond.