Serial Number Engraved in the clip. Please check the photos, these are part of the description. The item "Montblanc Unicef Limited Edition 2009 LeGrand Roller Ball Pristine Condition" is in sale since Saturday, July 20, 2019. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Rollerball Pens\Montblanc". The seller is "mexykan" and is located in Mexico.This item can be shipped worldwide.