The new range of Parker Duofolds was introduced in 1988 as part of the celebrations of Parkers 100th Anniversary. They are a top quality pen and retailed at the high end of the market.
This pen is the top of the range Centennial, originally it was finished in Blue Marble but it has been fitted with a sterling silver overlay in the famous cisele pattern. The pattern was used by Parker on many of its high end pens, including the 75 and Insginia. I am not sure of the origin of the overlay but it is extremely high quality, it copuld have been a jeweller or possible even an Arial Kullock. There are no identifying marks on the overlay at all.
It is fitted with a wonderful smooth 18ct gold Fine nib. The pen is in mint condition.