Pelikan M350 Vermeil Fountain PenThis Black Pelikan 350 Souveraen Pistonfiller is among the smallest Fountain Pens that Pelikan produced with an overall length of just 4. 33inch or 110mm. The cap and trim are 925 Sterling silver Vermeil. In addition the cap is decorated with a vertical guilloche. The Pen is a piston filler using Pelikan's differential mechanic. Production Period 1998 2001 The bi color tone nib is engraved and hand finished in a medium.