I've been buying and selling them for a while & I don't know where you can look up the serial numbers, if at all. It would be very useful but on the other hand, if it were easily accessible, there's nothing to stop the determined faker from copying e.g. Ligne 2 models & using genuine corresponding serial numbers on them. ST Dupont may have a record of all the lighters they've produced. Ligne 1, 2 and ' D ', Gatsby, Urban, models have hand-stamped serial numbers, not machined. They are irregular and not perfectly aligned. Obrazec komandirovochnogo udostovereniya v kazahstane.

Offered in Catawiki's Lighter auction: S.T. Dupont lighter Line 1, silver plated, gold plated serial number X4pn24. Good condition. Jul 22, 2010  If you contact ST Dupont and give them the serial number on the bottom, they can tell you without question if it is real or not. Help with identification of ST Dupont Lighter. ST Dupont USA Office: Lotus MJYX 30 Coronado Rd 2nd Floor Warwick RI 02886 Phone: 401-921-5216. Luchshie tajskie lakorni s russkoj ozvuchkoj.