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The Diplomat Viper Green Guilloche Fountain Pen features a fully engraved body, with intricate patterns reminiscent of a reptile's scaled skin, giving it a distinct and captivating look. The pen’s streamlined form is complemented by a precisely engineered nib, designed to offer a smooth and effortless writing experience. This Green chiseled metal fountain pen also has a satisfying soft sliding magnetic cap with matching Green trim. The hooded stainless steel nib comes in size Fine/Medium, and the pen fills via standard international cartridge/converter (both are included). Despite its premium appearance, the Diplomat Viper is designed to offer exceptional value for a controlled budget, making it accessible to both pen enthusiasts and professionals seeking a high-quality tool.
Diplomat is a well-known brand that specializes in writing instruments, particularly high-quality fountain pens. Diplomat pens are renowned for their German craftsmanship, reliability, and elegant designs. Established in 1922, in Saxony, Germany, Diplomat focus on bringing exceptional writing instruments to the market. Diplomat's desire to create connections drives their designs, linking people to each other, to their emotions, thoughts, surroundings and of course to writing.
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| Condition | New |
| Brand | Diplomat |
| Brand Origin | Germany |
| Product Code | D41304023 |
| Type | Fountain Pen |
| Brand Colour | Green Guilloche |
| Colour | Green |
| Body Material | Metal |
| Mechanism | Cap on / Cap Off |
| Cap Type | Snap Cap |
| Compatible Converter | Proprietory Converter |
| Filling Mechanism | Cartridge / Converter |
| Grip Material | Metal |
| Nib Size | Medium Fine |
| Nib Colour | Silver |
| Nib Material | Steel |
| Postable | Yes |
| Trim | PVD Plated |
| Diameter (MM) | 10 |
| Length - Closed (MM) | 140 |
| Length - Posted (MM) | 147 |
| Weight (gms) | 30 |
| Warranty Info | 5 Year warranty Valid against manufacturing defect only |
| Package Content | 1 Fountain pen, 1Converter & warranty card comes with a Diplomat gift box |
Nice pen
I have two pens of same company
Click
And both have medium return on their nibs
But the blue pen is a fine nib pen, not a medium nib
The pen is a smooth writer, very well balanced,feels premium
Hongdian fountainfountain pen is a beautiful pen in terms of it’s make, design and functionality
nice pen
Parker Aster Matte Blue GT Fountain Pen
….
Very nice pen
Very conveninent to carry a pack of ink cartridges when you are on the go. Nothing better than Pilot ink cartrdiges - relatively inexpensive, intense inks.
Superb flow nice grip as smooth as butter and yet too precise
Superb craftsmanship and on time professional delivery.
Nice wet ink
Waterman Expert Mars Black GT Fountain Pen
I’ll admit I was skeptical about the Hongdian C1 at first, particularly since I rarely use fine nibs.
However, any hesitation vanished the moment I put pen to paper. The writing experience is truly charming and smooth. I’m also impressed by the included converter, which holds a generous amount of ink.
It has quickly become a staple in my daily rotation—so much so that I’ve already purchased four more! I have gifted the white one to one of my friends who also become very happy. The yellow one is hijacked immediately by my daughter!
Kudos to Online Mantra for the excellent service.
I’ll admit I was skeptical about the Hongdian C1 at first, particularly since I rarely use fine nibs.
However, any hesitation vanished the moment I put pen to paper. The writing experience is truly charming and smooth with a very satisfying feedback.
I’m also impressed by the included converter, which holds a generous amount of ink. It has quickly become a staple in my daily rotation—so much so that I’ve already purchased four more!
Kudos to Online Mantra for the excellent service.


