Silver Rollerball Pantera. This stylish Pantera Rollerball has a fully sterling silver 925 body, and has been engraved with a ring pattern around the pen. The Rollerball is fully hallmarked and has a screw system cap. This Pantera Rollerball is presented in a luxury presentation box. Including 10 year guarantee and silver cleaning cloth. This Pantera is also available in a Pencil, ballpen and Fountain pen. See below for matching pens, refills and accessories.