{"product_id":"mikawa-shiro-nagura-3","title":"Asano Mikawa Nagura - Tenjou, Betsu-jo #3514d03s","description":"\u003cp\u003e\u003cstrong\u003eClassification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Authentic Asano-stamped Mikawa Shiro Nagura (純三河白名倉)\u003cbr\u003e\u003cstrong\u003eStrata \/ Layer: \u003c\/strong\u003eTenjō (天上)\u003cbr\u003e\u003cstrong\u003eQuality Grade: \u003c\/strong\u003eBetsu-jō (別上 - \"Selected \/ Superior Grade\")\u003cbr\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mikawa District, Aichi Prefecture, Japan\u003cbr\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e217 grams\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx.: 70mm x 50mm x 30mm (tapered irregular block)\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eStamp Transcription \u0026amp; Verification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003e純三河白名倉 (Jun Mikawa Shiro Nagura): \u003c\/strong\u003eAuthentic Pure Mikawa White Nagura origin mark.\u003cbr\u003e\u003cstrong\u003e天上 (Tenjō \/ Tenjou): \u003c\/strong\u003eDesignates the Tenjō stratum—a fine, chalky, fast-breaking layer positioned between Meji and Koma in working grit, typically operating around the 5,000–8,000 grit range.\u003cbr\u003e\u003cstrong\u003e別上 (Betsu-jō):\u003c\/strong\u003e Quality designation signifying a higher purity grade free of coarse inclusions or damaging lines.\u003cbr\u003e\u003cstrong\u003e檢 浅野 (Ken Asano - Red Hexagonal Stamp):\u003c\/strong\u003e Official inspection seal of the Asano family testing guild, confirming authenticity and purity.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eEvaluation \u0026amp; Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003ePhysical Characteristics: \u003c\/strong\u003eDense, creamy-white to light buff matrix with clean, uniform coloring and crisp, intact kanji stamps. The shape is a solid, ergonomic hand-held block with pre-chamfered perimeter edges to prevent chipping.\u003cbr\u003eFunctional Profile: Tenjō provides an exceptionally smooth, creamy slurry when worked across hard finishing stones (Awasedo \/ Tomae). It excels at intermediate prep, removing shallow scratches from medium stones, refining straight razor bevels, and bringing out an even, semi-gloss kasumi contrast on cladding and core steels without deep rogue scratches.\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Excellent, near-mint collector\/user condition with zero visible toxic fissures, toxic quartz inclusions, or severe wear to the stamped face. Sealed with transparent lacquer.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Dust Bowl Knives","offers":[{"title":"Default Title","offer_id":48043417075843,"sku":null,"price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/7320\/1283\/files\/53_245b6f9d-c32d-44fd-b95f-d08cdba66586.png?v=1788174477","url":"https:\/\/dustbowlknives.com\/products\/mikawa-shiro-nagura-3","provider":"Dust Bowl Knives","version":"1.0","type":"link"}