Monteverde Innova Formula M Fountain Pen - Black - Medium Classic Sport Mechanical Pencils It is resistant to forgery:

It is resistant to forgery: UV light

combines wisdom and calm

The friction caused by rubbing the paper generates heat which causes the ink to become invisible

Cover and innards printed on a Heidelberg Speedmaster XL 105 40" 6-color press

Monteverde Innova Formula M Fountain Pen - Black - Medium Classic Sport Mechanical Pencils It is resistant to forgery:The Monteverde Innova Formula M is an extraordinary writing instrument collection that combines unique materials and cutting edge designs that will entice not only pen aficionados, but anyone who dreams of life in the fast lane. Inspired by the racing industry, the Monteverde Innova Formula M collection evokes the power, speed and elegance of competition. All pens in the collection feature a 304 wire braided stainless steel sleeve with PVD coating