{"product_id":"majohn-p139-expedition-oversized-fountain-pen-no-8-nib-full-brass-piston","title":"MAJOHN P139 Expedition Oversized Fountain Pen | No.8 Nib,Full Brass Piston","description":"\u003ch2\u003eBuilt for Those Who Write with Conviction\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMAJOHN P139 Expedition\u003c\/strong\u003e is not a pen for the timid. This is a large-format, enthusiast-grade fountain pen engineered for writers who appreciate the weight of history in their hand. Featuring a \u003cstrong\u003efull solid brass piston mechanism\u003c\/strong\u003e, a \u003cstrong\u003eNo. 8 \/ 40-type nib\u003c\/strong\u003e, and a \u003cstrong\u003ehard rubber (ebonite) feed\u003c\/strong\u003e, the P139 draws from the golden age of fountain pen craftsmanship — and delivers it with modern precision.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOversized \"Expedition\" Format:\u003c\/strong\u003e A large, commanding barrel designed for writers with bigger hands or those who simply prefer a substantial pen with presence.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo. 8 \/ 40-Type Nib:\u003c\/strong\u003e A wide-format nib that delivers expressive, generous ink flow — ideal for bold scripts, journaling, and artistic writing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHard Rubber (Ebonite) Feed:\u003c\/strong\u003e The classic ebonite feed regulates ink flow with exceptional consistency, especially with wetter or specialty inks. A hallmark of vintage-inspired, enthusiast-grade pens.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Solid Brass Piston Mechanism:\u003c\/strong\u003e Machined from solid brass for smooth, precise ink filling and long-term mechanical reliability. No plastic internals — built to last decades.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVintage-Inspired Aesthetic:\u003c\/strong\u003e Timeless design language that appeals to collectors and daily writers alike — a pen that looks as good on a desk as it writes on paper.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnthusiast \/ Collector Grade:\u003c\/strong\u003e Designed for fountain pen aficionados who demand premium materials and mechanical integrity over mass-market convenience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eThe Enthusiast's Choice\u003c\/h2\u003e\n\u003cp\u003eMost pens are made to be used. The P139 is made to be \u003cem\u003eexperienced\u003c\/em\u003e. The satisfying resistance of the brass piston, the smooth glide of the ebonite feed, the generous ink deposit of a No. 8 nib — every element is intentional. If you've been searching for a pen that rewards attention and grows with your craft, the MAJOHN P139 Expedition is your answer.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e MAJOHN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e P139 Expedition\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Oversized \/ Large Format\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNib Size:\u003c\/strong\u003e No. 8 \/ 40-Type\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeed Material:\u003c\/strong\u003e Hard Rubber (Ebonite)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFilling System:\u003c\/strong\u003e Full Solid Brass Piston\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Material:\u003c\/strong\u003e Resin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAesthetic:\u003c\/strong\u003e Vintage \/ Retro\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTarget User:\u003c\/strong\u003e Fountain Pen Enthusiasts, Collectors, Advanced Writers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Compatibility:\u003c\/strong\u003e Standard fountain pen ink; compatible with wetter and specialty inks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eQ: What does \"oversized\" mean for the P139, and who is it best suited for?\u003c\/h3\u003e\n\u003cp\u003eA: The P139 Expedition is a large-format pen with a longer, wider barrel than standard fountain pens. It's ideal for writers with larger hands, those who prefer an unposted writing experience, or enthusiasts who simply appreciate a pen with physical presence and gravitas.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Why does the P139 use a hard rubber (ebonite) feed instead of plastic?\u003c\/h3\u003e\n\u003cp\u003eA: Ebonite feeds are a hallmark of vintage and high-end fountain pens. Hard rubber is more ink-compatible than plastic, especially with specialty, shimmer, or high-saturation inks. It also provides more consistent ink flow regulation over time, making it a preferred choice among serious fountain pen users.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What is a No. 8 \/ 40-type nib and how does it write?\u003c\/h3\u003e\n\u003cp\u003eA: A No. 8 nib is one of the largest standard nib sizes, offering a wider tine spread and a more generous ink flow than No. 5 or No. 6 nibs. The result is a bolder, more expressive line with a smooth, wet writing experience — particularly satisfying on quality paper.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Why is the piston made from solid brass instead of plastic?\u003c\/h3\u003e\n\u003cp\u003eA: Solid brass pistons are more durable, smoother in operation, and more resistant to wear than plastic alternatives. The added weight also contributes to the pen's satisfying balance and premium feel. It's a deliberate engineering choice for longevity and mechanical pleasure.\u003c\/p\u003e\n\n\u003ch3\u003eQ: Is the P139 suitable for everyday carry and use?\u003c\/h3\u003e\n\u003cp\u003eA: Absolutely. While the P139 is enthusiast-grade, it's fully functional as a daily writer. Its large ink capacity means fewer refills, and the robust brass piston mechanism is built for years of reliable use. Just be mindful of its size when selecting a pen case or pocket carry.\u003c\/p\u003e\n\n\u003ch3\u003eQ: What inks work best with the P139?\u003c\/h3\u003e\n\u003cp\u003eA: The ebonite feed makes the P139 particularly well-suited for wetter inks, high-saturation dyes, and even some shimmer inks that can challenge plastic feeds. Standard fountain pen inks work excellently. Avoid heavily pigmented or India inks not formulated for fountain pens.\u003c\/p\u003e","brand":"MAJOHN","offers":[{"title":"Orange \/ EF 0.4mm","offer_id":55602152407345,"sku":"P139-MJ-1","price":65.0,"currency_code":"USD","in_stock":true},{"title":"Orange \/ F 0.5mm","offer_id":55602152440113,"sku":"P139-MJ-2","price":65.0,"currency_code":"USD","in_stock":true},{"title":"Orange \/ M 0.6mm","offer_id":55602152472881,"sku":"P139-MJ-3","price":65.0,"currency_code":"USD","in_stock":true},{"title":"White \/ EF 0.4mm","offer_id":55602152505649,"sku":"P139-MJ-4","price":65.0,"currency_code":"USD","in_stock":true},{"title":"White \/ F 0.5mm","offer_id":55602152538417,"sku":"P139-MJ-5","price":65.0,"currency_code":"USD","in_stock":true},{"title":"White \/ M 0.6mm","offer_id":55602152571185,"sku":"P139-MJ-6","price":65.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ EF 0.4mm","offer_id":55602152603953,"sku":"P139-MJ-7","price":65.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ F 0.5mm","offer_id":55602152636721,"sku":"P139-MJ-8","price":65.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ M 0.6mm","offer_id":55602152669489,"sku":"P139-MJ-9","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01YEa2cz1H5OZU6S15l__2212407380706.jpg_q50.jpg_ae9e243b-2ef8-45c7-8617-3772376548dc.webp?v=1785914151","url":"https:\/\/www.ttpen.com\/products\/majohn-p139-expedition-oversized-fountain-pen-no-8-nib-full-brass-piston","provider":"TTpen","version":"1.0","type":"link"}