The offered ballpoint is genuine but not rare; a new, unengraved cap is at Montblanc available for at most about 49 euros. An individual name or dedication engraving is on pure utility pieces mostly regarded as value-reducing. It can however quite be value-increasing if the engraving documents a prominent owner and a comprehensible proof of ownership is available; in a concrete collector project, additionally, only 25 instead of the stated 1000 pieces were engraved.