Ban-Ei Japanese Eyedropper Fountain Pen handmade by Japanese lathe-master Eisuke Sakai and Tsuchida Shuichi, who was in charge of final assembly. This pen features a Warranted 14K Gold Fine nib made by the legendary Japanese nib master Ginjiro Kabutogi, and is stamped with "5-0" along with one of his JIS (Japanese Industrial Standard) registration numbers, 4622. 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 (C), good condition. There is noticeable marks in the urushi finish on the shut-off knob. 

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, Tsuchida Shuichi) Eyedropper
- Year of Manufacture: Unknown, 1970's to late 1980's
- Color: Black
- Material: Ebonite (Hard Rubber), Urushi Lacquer
- Nib: 14K Gold Warranted 50 Fine Nib
- Filling System: Eyedropper w/ Shut-off Valve
- Condition Rank: (C) Good Condition. 
- Warranty: 90 days on service work
- Country of Manufacture: Japan

Condition Rank Guide:
-N: Item is in New Old Stock condition (NOS). Shows little to no signs of use apart from some minor handling wear.
-A: Item is in Excellent condition. Micro-scratches can be seen on the barrel, cap, and/or grip section. No noticeable scuffs, chips, or cracks.
-B: Item is in Very Good condition. Minor scratches and scuffs can be seen on the barrel, cap, and/or grip section. No chips or cracks.
-C: Item is in Good condition. Moderate scratches and scuffs can be seen on the barrel, cap, and/or grip section. No chips or cracks.
-D: Item is in Fair condition. Heavy scratches and scuffs can be seen on the barrel, cap, and/or grip section. May have small chips or cracks. See description.
-F: Item is in Poor condition. Item is not functional. For parts or repair only.