The Hallmark Keepsake Ornament 2022 Clark Griswold National Lampoon's Christmas is a mixed material ornament featuring the character Clark Griswold from the National Lampoon's Christmas franchise. It is a part of the Hallmark collection and has the theme of Clark Griswold. The ornament is a keepsake and is perfect for Christmas occasions. It was produced using ornament production techniques and is not vintage.