"Zigrinato", meaning knurled in Italian, as the barrel of the pen in indeed knurled with an all brushed metal cap. It is a Limited Edition roller ball pen. "LELLA & MASSIMO VIGNELLI FOR ACME" is laser engraved on the clip. The edition number is placed on the top of the cap. Only 500 pens of this design were made. No more will ever be produced.
In the permanent collection of the Museum Of Decorative Arts, Frankfurt, Germany