This Parker Vintage Duofold Mk 1, Green Marble Rollerball Pen with gold trim and made of resin, this pen is a beautiful addition to any writing collection. The ink color is black and it's a rollerball type pen. This pen is new in its original packaging and is the perfect gift for anyone who appreciates vintage writing instruments. Made in the United Kingdom, it is a true testament to the quality and craftsmanship of Parker Pens.