Ban-Ei Urushi Fountain Pen Ideal 14K Gold G.K. 40 Nib Serviced w/ Warranty

A lovely vintage Japanese Eyedropper Fountain Pen likely handmade by Japanese lathe-master Eisuke Sakai under his brand Ban-Ei. This pen features an Ideal Warranted 14K Gold Fine nib made by the legendary Japanese nib master Ginjiro Kabutogi, and is stamped with "4-0" along with one of his JIS (Japanese Industrial Standard) registration numbers, 3233. Kabutogi is known as one of the greatest post war nib-masters and his nibs offer an amazingly unique writing experience. This Pen is in Good condition.  This pen has had the worn out, original cork shutoff valve seal replaced with o-rings. Providing a great alternative to prevent leaks near the back of the pen. 90 day warranty on service work.  - Manufacturer/Model: Ban-Ei (Eisuke Sakai) Eyedropper- Year of Manufacture: December, 1954 (Inferred based on engravings on underside of the nib.)- Color: Black- Material: Ebonite (Hard Rubber), Urushi Lacquer- Nib: 14K Gold Warranted Ideal 40 Fine Nib- Filling System: Eyedropper w/ Shut-off Valve