Brown Leather Rollerball – Lacerta Silver. The Lacerta has been a popular design over the years, and has now been replaced by the new Solon. The cap of the Lacerta Rollerball pen is made from Sterling Silver with a pinstripe pattern. The silver pen also has a small band of brown leather at the top of the cap. The Silver cap also has an engraving panel alongside the clip. The lower part of the Rollerball pen has been covered with smooth dark brown leather. The Lacerta Rollerball has a screw cap mechanism. In a luxury black presentation box including a 10 year guarantee and a silver cleaning cloth. Also available as a fountain pen Please specify. Scroll below for refills and accessories.