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. It seems the only true way to tell if one is a fake is the look of the Serial numbers. Lovely lighter! There are a bevy of S.T Dupont lighter fakes out there. Using genuine corresponding serial numbers on them. DuPont lighter serial number 50 is located on the bottom. Please check-out our other active auctions by clicking on username 'Avrinet'. Dupont Paris and with Dupont serial number: 44KFT84. Offered in Catawiki's Cartier & Dupont Pen auction: S.T. In addition, the markings on the bottom are often slightly different, and there may be no dupont emblem at all on some limited editions, although almost all still have the 'ST Dupont made in paris' text. Almost all limited editions will have an issue number, rather than a serial number, like 0050/1000.
ST Dupont Collectable Lighters, Pens and Humidors including model number, serial number, some item description.
