a few specks inside the glass, otherwise brilliant as struck, the only known example " /> Pattern Crown, 1817, by William Wyon, similar to preceding coin, but the entire coin heavily frosted and hermetically sealed between two "watch glasses" to form a lunette, a band of gold forming the seal with a loop and ring for suspension (L&S -; ESC -), <I>a few specks inside the glass, otherwise brilliant as struck, the only known example</I> | Christie's