Nagasawa Fountain Pen Proske Gold[Nagasawa Fountain Pen Proske Gold]This is an original fountain pen from Nagasawa Bungu Center. This base model is Sailor fountain pen's Profit. As the name suggests, this is a transparent model of the Sailor fountain pen Profit produced by Nagasawa Bungu Center. This model allows you to enjoy the excellent writing quality of Profit and the ink color that only a transparent model can provide. The tip of the cap (finial) has a mark based on Nagasawa