This is a Montblanc Scenium PT Fineliner Pen. It can also use rollerball pen refill.
Its authenticity is 100% guaranteed. It has some minor scratches. The item "Montblanc Scenium PT Fineliner Pen (Black Ink)" is in sale since Tuesday, October 15, 2019. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Rollerball Pens\Montblanc".The seller is "penfinds4810" and is located in Tokyo. This item can be shipped worldwide.