RARE Vintage Platinum Bonita Red 14K Gold & Steel Fine Nib Fountain Pens
Welcome to a New Segment in Engeika:
Discovering the Hidden Treasure of Japan
Welcome to our collection, where we present rare Japanese fountain pens from the 1930s to the 1950s. These are brands that you may be unfamiliar with, as well as brands that have lost their history and legacy but are not forgotten. Explore the fascinating origins of each pen and indulge in the delightful writing experience offered by these Vintage Japanese Fountain Pens.
Disclaimer:
Buyers are responsible for all customs and import fees. Please take a look at the shipping segment below for accurate details. US customers will pay upfront for the Custom fees, If you would like to pay for it yourself please do tell us!
ORIGINAL & AUTHENTIC
BID WITH CONFIDENCE
*Specifications*
Brand: Platinum
Material: Resin
Filling mechanism: Converter or Cartridge (Platinum Proprietary Coverter or Cartridge)
Nib: Platinum 14K Gold Fine Nib/ Platinum Stainless Steel Fine Nib
Feed: Plastic
Length： 131 mm
Diameter: 11 mm
Weight: 11 g
*ABOUT THE PEN: PLATINUM BONITA*
The Platinum Bonita is a classic fountain pen model produced by Platinum during the 1980s, reflecting the company's commitment to delivering refined Japanese craftsmanship in an accessible and elegant package. The Bonita line was designed as a mid-range everyday pen, offering a harmonious balance between practical writing performance and understated sophistication.
Its name, "Bonita," drawn from the Spanish and Italian word for "beautiful," speaks to the pen's graceful presence -- a writing instrument that feels as good in the hand as it looks on the desk. Platinum designed the Bonita with a clean, streamlined silhouette, suitable for both professional correspondence and personal journaling. The body was crafted in lacquered aluminum, available in rich colorways, giving the pen a solid, well-balanced feel without unnecessary bulk.
While not positioned among Platinum's premium maki-e or urushi creations, the Bonita carried the brand's hallmark qualities -- durability, consistent ink flow, and precise nib performance -- at a price point that made it a compelling choice for everyday writers and enthusiasts alike. The nibs on Platinum Bonita pens were offered in both 14K gold and stainless steel variants, catering to a range of preferences and budgets. The gold nib in particular delivered the smooth, responsive character that Platinum has long been celebrated for. Like most Platinum pens of its era, the Bonita used Platinum's cartridge/converter filling system, making it easy to maintain and a pleasure to use.
For collectors, the Platinum Bonita represents a charming chapter in Japanese pen history -- an era when Platinum was refining its identity and producing pens that were quietly excellent without demanding attention. Today, these pens are appreciated for their reliability, elegant simplicity, and as an accessible entry point into vintage Japanese fountain pen collecting.
Platinum Bonita 14K Gold/Stainless Steel Nib
The Platinum Bonita and Platinum BelAge are both part of Platinum Pen Co.’s mid-to-late 20th century lineup, and they reflect two slightly different approaches to nib material and writing feel--particularly between their 14K gold nib and stainless steel variants.
The 14K gold nib versions found on these models were positioned as the higher-grade option. On the Bonita, which dates back to the 1970s and continued into the 1980s, the 14K nib is typically firm but with a subtle spring, giving a smooth and slightly cushioned writing experience. It is not flexible, but it has a refined softness that improves comfort during longer writing sessions. These nibs are usually fine or medium and follow the typical Japanese standard, meaning they write finer than Western equivalents. Ink flow is controlled and consistent, making them reliable for everyday writing. The BelAge 14K nib shares a similar philosophy, often described as precise and smooth, with a slightly more modern tuning toward firmness and durability rather than expressiveness.
In contrast, the stainless steel nib versions of these pens are more utilitarian. They are noticeably firmer, with little to no spring, and are designed for durability and consistent performance rather than comfort or refinement. The writing feel is typically more rigid, and while still smooth when properly tuned, they lack the slight cushioning sensation that gold provides. Ink flow is often a bit drier and more controlled, which can be advantageous for writing on lower-quality paper but may feel less fluid compared to the gold nib.
An important distinction is that both nib types retain Platinum’s characteristic precision. Even with steel nibs, the writing experience remains clean and accurate, with fine line widths and dependable flow. However, the 14K nib elevates the experience by adding smoothness and a touch of responsiveness, making it more enjoyable for extended writing.
*Condition*
The pens are in okay condition, the pen has been cleaned, however when we received the pen from its previous owner, there are some wear and tear. Sadly the nib have its fair share of wear that does not affect the nibs writing prowess.
This pen is in a B tier condition!
The pens are obtained by second-hand collectors market and the pen filler mechanism and the nib will be cleaned before shipment.
Please treat the pen with the utmost care, if you do not know what you are doing, please refrain from opening hinges or things that might appear untightened, due to the age of this pen and hard contact or excessive force exerted on the pen damaging the pen.
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ENGEIKA
For the seeds you just plant, let's us join a hand to water it. As a plant grows with day-to-day care, at Engeika, your satisfaction grows with our lifelong experiences and the fullest attention.
Founded in 1987, Engeika has been known as a leading direct-to-customer e-commerce retailer specializing in writing instruments, watches, bags & cases and recently lighters. Our mission is to bring the most wonderful products with the best quality and design to our customers from all over the world.
Engeika means horticulturist in Japanese. A horticulturist is a person who uses scientific as well as artistic knowledge to give the best caring to every single plant in his/her garden. The development of plants is his/her joy. And, the name says it all. We, at Engeika, love and proud to take care of each of you, our dear customers, as your satisfaction is our happiness and motivation everyday.
In each product in our store, we would like to bring to YOU not only the BEST QUALITY or the MOST AMAZING DESIGN but also the INSPIRING STORY lying under each of them.
About Writing Instruments
Our story all starts with the love for fountain pens as well as all writing instruments. We used to be amatuer in this field but time after time, knowledge is gained and experiences evolve. We are now proud to bring you not only the best writing products but also the most useful advice so that you can have the most satisfactory writing afterwards. If you have any questions about writing, please ask us anytime, you will quickly find your answer with our help.
I love to receive messages from you!If you have any question or inquiry, please FEEL FREE to ask me!Please click here to contact me through EbayPlease feel free to write me in any language you like. I will try my best to understand your words and write to you in English or Japanese.
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Return Policy:
Return Eligibility:
Items must be in new condition and has not been used at all means.
Return Instructions:
Before returning any item, please contact in advance. We would like to hear the reason why you want to refund the item as we always want you to be happy with your purchase.
Refund:
Right after your item is delivered to our address, we will let you know and refund to your account as soon as possible.
Item Condition Grade for Engeika Vintage Fountain Pen: Please Check Our Vintage Fountain Pen Grade list and read the item's condition list to see the Pen's actual grade ratings
All our pens are original and authentic because they're sourced directly from the owners of fountain pen collectors, factory owners in the 40s who's sons/daughters have sold their grandparent's fountain pen old stock and hence cant be sourced online. But for an even more detailed description of our pens condition, we have provided a grade tier list to help you determine if this is the pen for you
S Tier - Almost like Brand New: This pen is in exceptional condition, almost as if it were brand new. There are no signs of rust on the clip, and the original filling system is still intact and does not require replacement. The cap and piston filler, if applicable, screw on and off smoothly without any difficulties. The nib color is vivid with limited to no scratches. Any hairline scratches are barely visible, and there are no cracks on the pen. The pen feels smooth, polished, and shiny.
A Tier - Excellent Condition: This pen is in excellent condition with only minor flaws. There may be small chips on the nib, but no rust is present. Hairline scratches may be visible on the body, cap, and nib. The nib color remains consistent, although small scratches may be seen upon close inspection. The pen can be easily screwed on and off, and the filling system works properly. The original filling system is intact with no cracks on the body of the pen. The pen still feels smooth, polished, and shiny.
B Tier - Good Condition: This pen is in good condition and is perfectly usable. It may have some rust on the clip and trim. The nib color may have changed due to weathering or ink stains. The filling system has been replaced with a new one, possibly because the original one had hardened over time and needed replacement. There are no cracks on the pen, but there may be hairline scratches present.
C Tier - Fair Condition: This pen is in fair condition and is functional, but it has noticeable scratches on the body and cap. The trim may be rusted or chipped. Although there are no cracks, the filling system also requires replacement. The nib color may have changed, or the nib itself may have been re-polished.
F Tier - Poor Condition: This pen is still writable, but it is cosmetically in a terrible state. A major refurbishment has been conducted to restore the pen to an acceptable condition, but in the process, many of its original characteristics have been lost.
Please note that this item condition grade is based on general standards and may vary depending on the specific criteria and expectations of different collectors or sellers.
WORLDWIDE SHIPPING & CUSTOMS (2026 UPDATE)
ATTENTION: HIGH-DUTY REGIONS (LATAM)
For buyers in the following regions, import fees in 2026 are significantly higher than the global average. These fees are determined by your government and are not included in the shipping price.
- ???? BRAZIL: Combined taxes (II, PIS/COFINS, and ICMS) often reach 60–80% of the total value. A valid CPF (Tax ID) is strictly required for all shipments.
- ???? CHILE: The duty-free threshold is only $30 USD. Orders above this are subject to 6% duty + 19% VAT on the total cost (including shipping).
- ???? ARGENTINA: Strict "door-to-door" regulations apply. Buyers may need to confirm receipt on the AFIP website to clear customs.
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GLOBAL SHIPPING STATUS
- USA: Standard Shipping via Japan Post remains suspended. All US-bound orders will ship via Express Courier (DDP) to comply with current US import regulations.
- TURKEY: All orders ship via Japan Post EMS ($30 USD). Turkish customs require a Customs Broker; these fees are the buyer's responsibility and are non-refundable if the package is rejected.
- RESTRICTED: We are currently unable to deliver to Russia, North Korea, Belarus, or Ukraine.
EXPRESS-ONLY REGIONS ($75 USD FLAT RATE)
Due to current logistics challenges, shipping to the following countries is 75 USD via Express Shipping by default:
Yemen, Cyprus, Jordan, Kuwait, Lebanon, UAE, Oman, Venezuela, Qatar, Egypt.
FOR US CUSTOMERS: ALL-INCLUSIVE (DDP)
As of late 2025, the US "Duty-Free" allowance was suspended. To ensure a seamless delivery:
- Final Price Guarantee: Your checkout total includes the 20% US Import Duty, the $20 Government Surcharge, and all brokerage fees.
- No Surprise Bills: You will not receive an invoice from the courier (UPS/DHL) for additional taxes.
FOR INTERNATIONAL CUSTOMERS (NON-US): STANDARD (DDU)
We ship Delivered Duty Unpaid (DDU) for all other countries.
- Buyer Responsibility: You are responsible for local VAT, GST, and duties.
- Payment Tip: Pay your duties online via the link sent by the carrier (UPS/DHL) to avoid the $12.00 in-person surcharge (ICOD fee) and speed up delivery by 1–2 days.
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SHIPPING TRANSPARENCY & ONLINE PAYMENT
100% Prepaid Transport We pay 100% of the international transport fees to the carrier (UPS, DHL, or Japan Post) before your item leaves Japan. In 99% of cases, your order will reach your door with no further delivery fees--only government duties apply.
How to Pay Your Customs Duties (Important) When your package arrives in your country, the carrier (UPS or DHL) will contact you via SMS or Email with a payment link. We strongly recommend paying these fees online through the official carrier website immediately.
Avoid "Payment on Delivery" Surcharges To save money and time, avoid paying the driver at the door. Note these 2026 carrier policies:
- UPS "ICOD" Fee: UPS now charges an additional $12.00 surcharge for any import charges collected at the door. This fee is waived if you pay online.
- DHL Disbursement Savings: DHL offers a discounted processing rate for duties paid via their "On Demand Delivery" portal. Paying in person results in a higher "Cash Handling" fee.
- Japan Post EMS: Your local post office (e.g., USPS) may charge a small nominal fee ($5–$10) for "Postage Due" or final-mile processing.
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IMPORTANT POLICIES
- Address: Please input your shipping address in the English alphabet only.
- Combined Shipping: We offer combined shipping for up to 10 items purchased within 3 days.
- Customs Refusal: If a package is returned because customs fees were not paid, we will refund the order minus the cost of two-way shipping (to and from your country) and any unpaid fees.
