Monteverde Innova Formula M Rollerball Pen Blue fathers day we were asked why Pelikan we were asked why Pelikan doesn’t offer its Classic piston fountain pens M200 and M205 with a cartridge mechanism – for those who travel a lot and for those who prefer the quick exchange of a cartridge to the more elaborate filling with a piston mechanism trims and nib are all finished with a black PVD coating 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 This material coating is appealing to the eye but also extremely durable