Independence Monument Charm in sterling silver. Picture is shown and available in both bright silver or antiqued silver, please specify when ordering. Gift Boxed. This Monument is the largest (450 feet) free-standing rock formation in the Colorado National Monument. Climbers test their skills on the monolith and each July 4th climbers raise the American Flag proudly on it's top. The charm is also available as a tie tack/lapel pin, necklace and earrings.