- Price: $450,000
- Crafted in 1925 by Antoine Courtois himself.
- Made of a unique combination of metals, including gold, silver, and platinum.
- Features intricate engravings and a mesmerizing design that resembles a stormy sky.
- Known for its exceptional acoustic properties and the ability to produce a wide range of tonal colors.
- Considered a masterpiece of craftsmanship and a highly coveted item among collectors and professional musicians.