{"version":"1.0","provider_name":"Supein Nihonto","provider_url":"https:\/\/www.supeinnihonto.com\/it\/","title":"Nihonto Katana \"Osafune Sukemori\" Kanteisho certificate - Supein Nihonto","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"BcaBsWCVuy\"><a href=\"https:\/\/www.supeinnihonto.com\/it\/prodotto\/nihonto-katana-osafune-sukemori-kanteisho-certificate\/\">Nihonto Katana &#8220;Osafune Sukemori&#8221; Kanteisho certificate<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.supeinnihonto.com\/it\/prodotto\/nihonto-katana-osafune-sukemori-kanteisho-certificate\/embed\/#?secret=BcaBsWCVuy\" width=\"600\" height=\"338\" title=\"&#8220;Nihonto Katana &#8220;Osafune Sukemori&#8221; Kanteisho certificate&#8221; &#8212; Supein Nihonto\" data-secret=\"BcaBsWCVuy\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/www.supeinnihonto.com\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/i0.wp.com\/www.supeinnihonto.com\/wp-content\/uploads\/2026\/01\/130630title-2-scaled.jpg?fit=600%2C401&ssl=1","thumbnail_width":600,"thumbnail_height":401,"description":"The blade is signed \u5099\u524d\u570b\u9577\u8239\u4f4f\u7950\u76db (Bizen no Kuni Osafune j\u016b Sukemori) and dated \u6587\u5316\u4e94\u5e74\u4e8c\u6708 (second month of Bunka 5, 1808), therefore Edo period. The certificate itself provides the key biographical note: Sukemori is stated to be the son of Ise no Kami Sukemori, and to have later adopted the name Shichibee Sukemori. The lineage\/work tradition is recorded as \u9577\u8239 (Osafune)."}