Black Leather Fountain Pen Solon Sterling Silver. The cap of the silver Solon Fountain Pen is made from Sterling Silver with a pinstripe pattern. The lower part of the pen has been covered with Genuine Nappa leather. The leather has been dyed in matt black using natural dyes. The Solon Fountain Pen has a screw cap system. In a luxury black presentation box including a 10 year guarantee and a silver cleaning cloth. Including free packet of 6 ink cartridges!!! Also available as a Pencil, Ballpen and Rollerball. Please allow up to 4 weeks delivery for 18 ct Bi-Colour Gold Nibs. The Silver cap has an engraving panel. See below for matching pens, refills and accessories.