{"version":"1.0","provider_name":"Supein Nihonto","provider_url":"https:\/\/supeinnihonto.com\/it\/","title":"Nihonto Katana \"Echizen Bonry\u016b\" with double NBTHK certificate - Supein Nihonto","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"CRR1zohgL7\"><a href=\"https:\/\/supeinnihonto.com\/it\/prodotto\/nihonto-katana-echizen-bonryu-with-double-nbthk-certificate\/\">Nihonto Katana &#8220;Echizen Bonry\u016b&#8221; with double NBTHK certificate<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/supeinnihonto.com\/it\/prodotto\/nihonto-katana-echizen-bonryu-with-double-nbthk-certificate\/embed\/#?secret=CRR1zohgL7\" width=\"600\" height=\"338\" title=\"&#8220;Nihonto Katana &#8220;Echizen Bonry\u016b&#8221; with double NBTHK certificate&#8221; &#8212; Supein Nihonto\" data-secret=\"CRR1zohgL7\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/supeinnihonto.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/supeinnihonto.com\/wp-content\/uploads\/2026\/05\/7665title-1-scaled-1.jpg","thumbnail_width":2560,"thumbnail_height":1264,"description":"Questa lama \u00e8 attribuita a Kanemitsu di Seki, secondo la perizia della NBTHK.Il nome Kanemitsu \u00e8 associato alla tradizione Mino, in particolare all\u2019area di Seki, uno dei pi\u00f9 importanti centri di produzione di spade durante il periodo Edo. Questa tradizione \u00e8 nota per le geometrie pratiche delle lame, i trattamenti termici affidabili e l\u2019enfasi sulla funzionalit\u00e0 piuttosto che sulla decorazione.L\u2019attribuzione si basa esclusivamente sulla valutazione tecnica effettuata dalla NBTHK."}