Vintage Parker Duofold Centennial 18k NIB Marble Burgundy Pearl Fountain Pen. In mint clean condition, used only with one cartridge refill. This measures 5 5/16 long. The tip has a Parker 18k NIB. With perfectly straight tines. The outer case is clean free of. Bite marks or scratches. This has a medium point #83. Burgundy Pearl & Black. A very nice addition to your collection. Any questions please send a message.. The item “Vintage Parker Duofold Centennial 18k NIB Marble Burgundy Pearl Fountain Pen” is in sale since Thursday, May 19, 2016. This item is in the category “Collectibles\Pens & Writing Instruments\Pens\Fountain Pens\Parker”. The seller is “maximillionsauction” and is located in Sparks, Nevada. This item can be shipped worldwide.