{"version":"1.0","provider_name":"Mercier Art","provider_url":"https:\/\/www.mercier.com\/art","title":"Comment certifier des dessins anciens ? - Mercier Art","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"8GXeVUWmyj\"><a href=\"https:\/\/www.mercier.com\/art\/conseils-dexpert\/comment-certifier-des-dessins-anciens\/\">Comment certifier des dessins anciens ?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.mercier.com\/art\/conseils-dexpert\/comment-certifier-des-dessins-anciens\/embed\/#?secret=8GXeVUWmyj\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Comment certifier des dessins anciens ?\u00a0\u00bb &#8212; Mercier Art\" data-secret=\"8GXeVUWmyj\" 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:\/\/www.mercier.com\/art\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/mercier-art.wp.itroom.fr\/wp-content\/uploads\/2022\/02\/armadillo-gef4c5940b_1280.png","thumbnail_width":1280,"thumbnail_height":968,"description":"Les dessins anciens, et notamment ceux datant des XVII et XVIII\u00e8me si\u00e8cle, suscitent de plus en plus l\u2019int\u00e9r\u00eat des collectionneurs. De nombreuses reproductions factices circulent toutefois sur le march\u00e9 de l\u2019art. Pour distinguer un vrai dessin ancien d\u2019un faux ou d\u2019une reproduction m\u00e9canique, il faut alors obtenir un certificat d\u2019authenticit\u00e9. Comment certifier des dessins anciens [&hellip;]"}