{"product_id":"platinum-classic-sepia-black-fountain-pen-ink-60ml","title":"Platinum Classic Sepia Black Fountain Pen Ink — 60 mL","description":"\u003cp\u003eSepia Black is a soft, gray-toned brown—the color of old photographs and faded correspondence—that deepens on the page as its iron oxidizes. Platinum’s Classic inks are made in the traditional iron gall manner, and each is named for the black it is slowly moving toward; this one begins quietly, and some writers find it pale at first, particularly in a very wet pen. Give the line an hour to develop.\u003c\/p\u003e\u003cp\u003eReviewers note a rather dry flow and modest water resistance in testing, though Platinum presents the Classic line as resistant to light and water once oxidized. Consider it an archival-minded ink rather than a waterproof one.\u003c\/p\u003e\u003cp\u003eAlso from the Classic line: \u003ca href=\"\/products\/platinum-classic-cassis-black-fountain-pen-ink-60ml\"\u003e\u003cstrong\u003eCassis Black\u003c\/strong\u003e\u003c\/a\u003e and \u003ca href=\"\/products\/platinum-classic-khaki-black-fountain-pen-ink-60ml\"\u003e\u003cstrong\u003eKhaki Black\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eDetails\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e60 mL bottle with built-in reservoir for easier filling\u003c\/li\u003e\n\u003cli\u003eIron gall fountain pen ink (Platinum Classic no. 66)\u003c\/li\u003e\n\u003cli\u003eColor darkens on the page, noticeably within the first hour and over the first 24 hours\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003cli\u003eClean the pen regularly (every three to four weeks is commonly advised) and avoid leaving iron gall ink in a pen indefinitely\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBoston Lore note:\u003c\/strong\u003e Ink appearance can vary with nib width, paper, ink flow, and lighting. Swatches and writing samples should be treated as a guide rather than an exact color match.\u003c\/p\u003e","brand":"Platinum","offers":[{"title":"Default Title","offer_id":50598160761057,"sku":"PLTM- Ink-K 2000 #66 60cc","price":32.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/8486\/6785\/files\/Screenshot2026-10-06at3.38.19PM.png?v=1791315512","url":"https:\/\/bostonlore.com\/products\/platinum-classic-sepia-black-fountain-pen-ink-60ml","provider":"Boston Lore Studio","version":"1.0","type":"link"}