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110 drawings by Pierre Mertens created in 2025 based on reproductions from the book *ISP* by the Instytut Sztuk Piekkych, Poland, 1995\u20132021<\/p>\n","protected":false},"featured_media":12327,"template":"","class_list":["post-12332","covers","type-covers","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nISP - Pierre Mertens<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pierremertens.be\/en\/covers\/isp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ISP - Pierre Mertens\" \/>\n<meta property=\"og:description\" content=\"110 drawings by Pierre Mertens created in 2025 based on reproductions from the book *ISP* by the Instytut Sztuk Piekkych, Poland, 1995\u20132021\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pierremertens.be\/en\/covers\/isp\/\" \/>\n<meta property=\"og:site_name\" content=\"Pierre Mertens\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-28T14:16:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pierremertens.be\/wp-content\/uploads\/2026\/03\/ISP275.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"935\" \/>\n\t<meta property=\"og:image:height\" content=\"696\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/pierremertens.be\/en\/covers\/isp\/\",\"url\":\"https:\/\/pierremertens.be\/en\/covers\/isp\/\",\"name\":\"ISP - Pierre Mertens\",\"isPartOf\":{\"@id\":\"https:\/\/pierremertens.be\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/pierremertens.be\/en\/covers\/isp\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/pierremertens.be\/en\/covers\/isp\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/pierremertens.be\/wp-content\/uploads\/2026\/03\/ISP275.jpg\",\"datePublished\":\"2026-03-28T14:05:16+00:00\",\"dateModified\":\"2026-03-28T14:16:34+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/pierremertens.be\/en\/covers\/isp\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/pierremertens.be\/en\/covers\/isp\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/pierremertens.be\/en\/covers\/isp\/#primaryimage\",\"url\":\"https:\/\/pierremertens.be\/wp-content\/uploads\/2026\/03\/ISP275.jpg\",\"contentUrl\":\"https:\/\/pierremertens.be\/wp-content\/uploads\/2026\/03\/ISP275.jpg\",\"width\":935,\"height\":696},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/pierremertens.be\/en\/covers\/isp\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Covers\",\"item\":\"https:\/\/pierremertens.be\/en\/covers\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ISP\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/pierremertens.be\/en\/#website\",\"url\":\"https:\/\/pierremertens.be\/en\/\",\"name\":\"Pierre Mertens\",\"description\":\"Pierre Mertens is een belgisch artiest afkomstig uit Antwerpen. 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