Parker Duofold Blue Check Centennial Special Edition Fountain Pen Medium Pt New In Box. Stunning geometric pattern illuminated with flecks of intense color created from a solid block of acrylic. Platinum-plated clip and trim 18K gold nib.The item "Parker Duofold Centennial Fountain Pen Blue Check 18Kt Gold Medium Pt New In Box" is in sale since Saturday, March 19, 2016. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Fountain Pens\Parker". The seller is "montgomerystationery" and is located in New York, New York. This item can be shipped worldwide.