| Model | Doué Jet-Black Fountain Pen 144DS |
| Nib widths | EF F M OM
B OB BB OBB |
| Writing System | |
| Writing System | With piston converter (allows optional use of ink cartridges) |
| Nib | Hand-crafted Au750 / 18K gold nib inlaid with platinum |
| Features | |
| Barrel | Jet-Black with Ag925 sterling silver |
| Cap | Ag925 sterling silver with pinstripe finish inlaid with Montblanc emblem |
| Trim | Three gold-plated rings in Ag925 sterling silver embossed with Montblanc brand name |
| Clip | Gold-plated clip with individual serial number |
| Special Characteristics | – |