Pilot Noritsu Notebook Gold 60th Limited Edition Capless Fountain Pen EF. Font width is extra fine EF. The serial number is 256/365. Here is the product description.The "Capless" series is a series of fountain pens without caps, which PILOT began to sell in 1963. Thank you for your understanding. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Fountain Pens\Pilot".japan" and is located in this country: JP.