Monteverde Trees Of The World Fountain Pen Avenue of the Baobabs Nib Size:Extra Fine Fisher Space Pen Original Astronaut Fisher Space Pen Original Astronaut Ballpoint Pen This the same pen that went to the moon in the Apollo 7 space mission and made history as we know it The fountain pens come with steel nib and take cartridges converters for refills Monteverde USA is committed to the preservation of our endangered trees and forests and will donate a portion of the proceeds from the Trees of the World collection to organizations that work towards furthering that goal The fountain pen is equipped with a stainless steel JoWo #6 nib engraved with the Monteverde USA logo and fills via a standard cartridge or converter (included)