{"title":"Opus 88 Demonstrator Fountain Pens","description":"\u003cp\u003eFlat-top eyedropper-fill fountain pens with a #6 steel nib, made of translucent resin.\u003c\/p\u003e","products":[{"product_id":"opus-88-demonstrator-fountain-pen-clear","title":"Opus 88 Demonstrator Fountain Pen - Clear","description":"\u003cp\u003eThe Opus 88 Demonstrator fountain pen is a truly unique writing instrument. This large non-postable pen is an eyedropper-filled pen with a piston operated shut-off valve. Featuring a sharp alternating material scheme of frosted and clear resin, this pen’s design stands on its own. It has a sleek black clip and a silver stainless steel #6 JoWo nib and includes a glass eyedropper to fill the pen with your favorite ink.\u003c\/p\u003e\n\u003cp\u003e\u003cem data-mce-fragment=\"1\"\u003eNote: JoWo is transitioning their nib designs from the old scroll pattern to a more simple design. Stock is currently mixed; what you receive may not necessarily match what is photographed.\u003c\/em\u003e\u003cbr\u003e\u003cbr\u003eAn ebonite piston and rubber gasket seals the feed off from the barrel when fully depressed, reducing the risk of leakage and burping. By unscrewing the blind cap and loosening the rod at the rear of the barrel, you open up the ink flow to the feed. During long writing sessions, leave the shut-off valve open to take advantage of the impressive ink capacity. Having a completely clear pen body allows you to see both your current ink level and your nib while capped.\u003c\/p\u003e","brand":"Opus 88","offers":[{"title":"Extra-Fine","offer_id":15956125057067,"sku":"OP-96083900EF","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":12139894177835,"sku":"OP-96083900F","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":12139913150507,"sku":"OP-96083900M","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":12139913183275,"sku":"OP-96083900B","price":130.0,"currency_code":"USD","in_stock":true},{"title":"Flex Fine","offer_id":44407562731563,"sku":"OP-96083900-FL-F","price":135.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2603\/2528\/products\/Opus88-Demo-Clear-OW-2.jpg?v=1755029793"},{"product_id":"opus-88-demonstrator-fountain-pen-blue-whale","title":"Opus 88 Demonstrator Fountain Pen - Blue Whale","description":"\u003cp\u003eThe Opus 88 Demonstrator fountain pen in Blue Whale is a truly unique writing instrument. This large non-postable pen is an eyedropper-filled pen with a piston operated shut-off valve. It features a beautiful and fun blue whale design throughout the acrylic grip section and barrel, with a clear resin finial and end cap. It has a sleek silver clip and a silver stainless steel #6 JoWo nib and includes a glass eyedropper to fill the pen with your favorite ink.\u003c\/p\u003e\n\u003cp\u003eAn ebonite piston and rubber gasket seals the feed off from the barrel when fully depressed, reducing the risk of leakage and burping. By unscrewing the blind cap and loosening the rod at the rear of the barrel, you open up the ink flow to the feed. During long writing sessions, leave the shut-off valve open to take advantage of the impressive ink capacity. \u003c\/p\u003e","brand":"Opus 88","offers":[{"title":"Extra-Fine","offer_id":41139012075563,"sku":"OP-240300EF","price":160.0,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":41139012108331,"sku":"OP-240300F","price":160.0,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":41139012141099,"sku":"OP-240300M","price":160.0,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":41139012173867,"sku":"OP-240300B","price":160.0,"currency_code":"USD","in_stock":true},{"title":"Flex Extra-Fine","offer_id":41139012206635,"sku":"OP-240301FLEF","price":170.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2603\/2528\/files\/Opus88-BlueWhale-OW-2.jpg?v=1762359624"},{"product_id":"opus-88-demonstrator-fountain-pen-mocha-mousse-limited-edition","title":"Opus 88 Demonstrator Fountain Pen - Mocha Mousse (Limited Edition)","description":"\u003cp\u003eThe Opus 88 Demonstrator fountain pen is a truly unique writing instrument. This large non-postable pen is an eyedropper-filled pen with a piston operated shut-off valve.\u003cmeta charset=\"utf-8\"\u003e It has a black clip and a black stainless steel #6 JoWo nib and includes a glass eyedropper to fill the pen with your favorite ink. Made with a translucent dark brown finial and end cap, and an opaque light brown cap and barrel, Mocha Mousse is a limited edition design for 2025.\u003c\/p\u003e\n\u003cp\u003eAn ebonite piston and rubber gasket seals the feed off from the barrel when fully depressed, reducing the risk of leakage and burping. By unscrewing the blind cap and loosening the rod at the rear of the barrel, you open up the ink flow to the feed. During long writing sessions, leave the shut-off valve open to take advantage of the impressive ink capacity.\u003c\/p\u003e","brand":"Opus 88","offers":[{"title":"Extra-Fine","offer_id":41521501470763,"sku":"OP-250401EF","price":150.0,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":41521501503531,"sku":"OP-250401F","price":150.0,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":41521501536299,"sku":"OP-250401M","price":150.0,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":41521501569067,"sku":"OP-250401B","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2603\/2528\/files\/Opus-88-Demo-MochaMousse-7-sq.jpg?v=1755030019"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2603\/2528\/collections\/Category-Opus88-Demonstrator-1.jpg?v=1634668946","url":"https:\/\/www.gouletpens.mom\/collections\/opus-88-demonstrator-fountain-pens.oembed","provider":"The Goulet Pen Company","version":"1.0","type":"link"}