{"type":"firestarter.listing","listing":{"id":"lst_9fvw_Y3C","product_name":"Leonardo - MZG 2.0 Fountain Pen - The Art of Guilloché VERDIGRIS – Rose Gold Trim","category":"Fountain Pen","description":"Description: The Leonardo Momento Zero Grande 2.0 Verdigris edition celebrates the art of Guilloché, blending nature's harmony with masterful craftsmanship. Featuring a stunning resin body inspired by the Fibonacci golden spiral, this writing instrument embodies elegance and precision. The detailed Guilloche Torchon engravings create a refined texture, while the verdigris color reflects the organic perfection of nature.\n\nProduct\nLeonardo Momento Zero Grande 2.0 Verdigris\nOverview:\n\n\nMaterial: Special resin with artisanal Guilloché engraving\n\nNib: Steel \"La Fenice\" Nib\n\nFilling System: Integrated Piston Mechanism (1.5ml Capacity)\n\nInk Window: Transparent, colorless, discreetly positioned\n\nTrim Options: Rose Gold\n\nDescription: The Momento Zero Grande 2.0 Verdigris takes inspiration from nature’s perfect forms, from spiral shells to galaxies. This expertly crafted pen brings together artistic engraving techniques and innovative materials to create a writing instrument that is both beautiful and functional. Available in Iris Blue, Indigo, and Verdigris, each variant exudes timeless sophistication.\nKey Features:\n\n\nGuilloché Torchon Engraving: Inspired by Fibonacci’s golden spiral, the delicate engraving enhances the depth and texture of the resin body.\n\n\nVersatile Nib Options: Steel nibs in EF, F, M, B, Stub 1.5, and Elastic EF/F.\n\n\nAdvanced Filling System: The integrated piston filler holds up to 1.5ml of ink. \n\n\nLuxurious Packaging: Italian-made packaging, lined with gray Alcantara. Gold nib versions include an ink bottle.\n\n\nSpecs:\n\n\n\nSpecification\nDetail\n\n\n\n\nBrand\nLeonardo Officina Italiana\n\n\nSeries\nMomento Zero Grande 2.0\n\n\nColor Options\nVerdigris\n\n\nEdition\nRegular (Not Limited)\n\n\nBody Material\nGuilloché-Engraved Resin\n\n\nNib Material\nSteel\n\n\nNib Sizes\nSteel: EF, F, M, B, Stub 1.5, Elastic EF/F\n\n\nFilling Mechanism\nIntegrated Piston (1.5ml)\n\n\nInk Window\nTransparent, Colorless\n\n\nCap Type\nScrew-Cap\n\n\nTrim\nRose Gold\n\n\nLength (closed)\n151 mm\n\n\nLength (barrel with nib)\n134 ","images":["https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-MZG-2_0-Fountain-Pen-Guilloche-verdigris.jpg?v=1738952565","https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-MZG-2_0-Fountain-Pen-The-Art-of-Guilloche-VERDIGRIS-Rose-Gold-Trim-2.jpg?v=1738952569","https://cdn.shopify.com/s/files/1/0575/7177/files/Leonardo-MZG-2_0-Fountain-Pen-The-Art-of-Guilloche-VERDIGRIS-Rose-Gold-Trim-3.jpg?v=1738952572"],"price":297,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:00.005Z"},"share_url":"https://firestarter.network/l/lst_9fvw_Y3C","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_9fvw_Y3C' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Leonardo - MZG 2.0 Fountain Pen - The Art of Guilloché VERDIGRIS – Rose Gold Trim' and a budget_max comfortably above $297.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}