- The L. & C. Hardtmuth series pen collection was created to celebrate the founding of the company by Josef Hardtmuth more than 200 years ago. The series includes a limited number of pens, exactly 1,790 pieces. Each pen is numbered.
- It is a fountain pen with a distinctive, unique triangular shape in the Art Deco style. The nib and metal components are covered with a fine platinum coating.
- Medium nib width. In addition to standard refills, the pen also includes a universal piston cartridge.
- The only Czech luxury fountain pen.
- Pen dimensions: 138 x 10 x 10 mm (closed), 120 x 10 x 10 mm (open).