Krone honors John James Audubon, a French-American ornithologist, naturalist, and painter. Audubon's book The Birds of America contained illustrations of a wide variety of birds in the United States. The Birds of America and Audubon's work marked a great leap forward in the area of natural science.
- Limited edition of 28 rollerball pens
- The oversized, mother of pearl barrel is artfully painted with an array of Audubon birds in a tranquil outdoor setting
- The .925 sterling silver cap and blind cap are etched in relief depicting highly detailed bird feathers
- Flip-top on the cap opens to reveal a miniature hand painted three-dimensional Painted Bunting under a bright blue sky