{"product_id":"qishan-three-ridge-zhengben-wine-cup-concave-base-wenwan-walnuts-pair-37-0mm-37-0mm-qssn-cwc0e","title":"“Qishan Three-Ridge Zhengben” Wine-Cup Concave-Base Wenwan Walnuts Pair | 37.0mm × 37.0mm | QSSN-CWC0E","description":"\u003cp\u003e\u003cspan\u003eThis single-inventory listing features the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eexact pair of Wenwan walnuts shown in the product gallery\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCarrying the stock ID \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eQSSN-CWC0E\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this pair combines several distinctive structural traits: the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eQishan form\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a pronounced \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethree-ridge structure\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a classic \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eZhengben configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and an unusually defined \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ewine-cup-shaped concave base\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMeasuring \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e37.0mm × 37.0mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the pair presents an exceptionally balanced near-spherical proportion. From the base view, three major ridges radiate outward from the center, forming a striking triangular structure. The recessed center develops into a deep \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ewine-cup base\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, giving the underside unusually strong depth and sculptural character.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe shell texture is bold and deeply folded, with broad raised ridges separated by substantial recessed valleys. Despite the complex natural structure, the two walnuts remain closely coordinated in overall size, form, ridge arrangement, and shell tone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith its combination of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethree-ridge symmetry, Zhengben structure, wine-cup base, and 37mm balanced proportions\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this is a distinctly collector-oriented pair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pair has been \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epre-cleaned \/ base-prepped\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e and is ready for continued brushing and hand play.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Details\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStock:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1 of 1 — exact pair shown\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eVariety:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Qishan Three-Ridge Zhengben\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 37.0mm × 37.0mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eForm:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Balanced, near-spherical profile\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStructure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Natural three-ridge configuration\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBase:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Deep wine-cup-shaped concave base\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eRidge Direction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Zhengben configuration\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTexture:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Broad raised ridges with deep layered valleys\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePairing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Closely coordinated in size, structure, tone, and overall character\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCondition:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Unplayed, pre-cleaned \/ base-prepped\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInventory:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Single unique pair\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eThe Story of the Form\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe defining feature of this pair is visible immediately from the underside.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstead of a conventional two-sided base structure, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethree strong natural ridges radiate outward from the center\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, dividing the walnut into three visually distinct sections. This creates the characteristic \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ethree-ridge form\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, one of the more unusual structural expressions found among collectible Wenwan walnuts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt the center sits a noticeably recessed base. Viewed from below, the surrounding shell walls rise around this depression in a shape reminiscent of a small drinking cup—hence the collector term \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e“wine-cup base.”\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pair also carries a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eZhengben\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e structural orientation, giving the main ridge arrangement a direct, orderly visual flow rather than an irregular twisting configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e37.0mm × 37.0mm\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, both walnuts are almost perfectly balanced in height and width. This compact spherical proportion makes the dramatic three-ridge base structure particularly visible while maintaining a comfortable hand size.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNatural differences remain between the two walnuts, but their overall architecture, scale, shell tone, and visual weight form a notably coherent pair.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Characteristics\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNatural Three-Ridge Structure\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThree major ridges radiate from the base center, producing a distinctive triangular architecture.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWine-Cup Concave Base\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe deeply recessed center is surrounded by raised shell walls, creating the characteristic wine-cup appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eZhengben Configuration\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe ridge structure follows a direct and orderly orientation, giving the pair a strong structural presence.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBalanced 37mm Proportions\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAt 37.0mm × 37.0mm, the pair has an unusually balanced, almost spherical overall profile.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDeep Sculptural Texture\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBroad ridges, folded shell walls, and deep recesses create strong visual depth from multiple viewing angles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCollector-Oriented Pairing\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe combination of Qishan form, three-ridge construction, Zhengben structure, and a pronounced wine-cup base makes this pair especially distinctive as a natural-form collectible.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCare\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDuring the early stage of ownership, use a dry Wenwan brush regularly, paying particular attention to the deep valleys and recessed areas around the three-ridge structure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAvoid soaking the walnuts or applying excessive oil. Consistent dry brushing and natural hand contact are generally sufficient for gradual patina development.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause the wine-cup base contains a relatively deep central recess, use a finer brush periodically to prevent dust from accumulating inside the base.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKeep the pair away from sudden temperature changes, strong air-conditioning, heating vents, prolonged direct sunlight, and excessively dry environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen not in use, store in a stable, dry location.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e ZenWalnut\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eProduct:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Wenwan Scholar Walnut Pair\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eVariety:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Qishan Three-Ridge Zhengben\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eStock ID:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e QSSN-CWC0E\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 37.0mm × 37.0mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One matched pair\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePreparation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Pre-cleaned \/ base-prepped\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInventory Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Single unique inventory\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIncluded:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Exact two walnuts photographed\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ThePatinaProject","offers":[{"title":"Default Title","offer_id":51082417078511,"sku":null,"price":338.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/8741\/8095\/files\/qishan-three-ridge-zhengben-wine-cup-concave-base-wenwan-walnuts-pair-370mm-370mm-qssn-cwc0e-5570236.jpg?v=1792082853","url":"https:\/\/zenwalnut.com\/products\/qishan-three-ridge-zhengben-wine-cup-concave-base-wenwan-walnuts-pair-37-0mm-37-0mm-qssn-cwc0e","provider":"ThePatinaProject","version":"1.0","type":"link"}