Rotring 600 Ball Point Pen and 0.5mm Mechanical Pencil set in near MINT condition!! I do have the original case for these as well but it is missing a piece of the velour inside. ROtring; 600; Lava; Winston; Rotring Lava; Ballpoint Pen; 0.5mm mechanical pencil. The item "ROtring 600 Newton LAVA Pen & Pencil SET MINT" is in sale since Thursday, October 10, 2019. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Ballpoint Pens\Rotring". The seller is "sunflower88-13" and is located in Yorkville, Illinois.