The interior shots seem to show finished edges and surfaces and that is as it should be. The serial number looks like individually stamped digits and not computer controlled etching and that is as it should be. Thanks again in advance for all your help! There is no way to verify authenticity from pictures but even though I know absolutely nothing about ball points and rollerball pens, what you have shown does include several things that tend to point to it really being an ST Dupont. Please let me know if you need more pics or info. I've tried to post (from what I've read) the most helpful pictures. If not, I'm covered under PayPal so I'm not worried if it's a counterfeit. But again, I just don't know enough about S.T. Dupont Roller Convertible Pearly Nude 462007'. The sticker on the outside of the box matches what's in the box - 'Liberte S.T. But I really don't know enough to know if these are okay, or could be a good counterfeit. There's a small serial number on the clip of the pen and 'Made in France' on the side. Such as the form shaped foam the pen sits in - it's small for the box, and is loose. I believe it's authentic, but some things just are a little hinky. So I'm reaching out to you experts for some help. Dupont pen is real, I couldn't come to any conclusions on my own. After checking online for assistance in determining if my S.T. I have quite a few fountain pens, and just recently went to acquire an S.T. Mostly I delve into the watch side of the house. This isn't the only number/letter combination used most fake serials are machine-stamped with perfectly-aligned letters/numbers rather than the irregular, unique hand-stamp on each genuine ST Dupont.

Anything with ' 4FK ' in the serial is fake. Fake serial numbers: one widely-used is 4FK12J8. The side of the clip for a serial number. Unlike the sharp and deep styles found on any of my ST Dupont pens. ST Dupont Collectable Lighters, Pens and Humidors including model number, serial number, some item description. The serial number, The first gas lighter made by ST Dupont was introduced in 1953 under D57 code mark. From what I can see of your serial numbers, they. No one seems to know of an online site of Dupont serial numbers for dating purposes. Somewhere I read that if one calls Dupont and give them the serial number, they will tell you if it is real or fake.

St dupont pen serial number search