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Inscribed along the inner edge is the wording \u2018100 YEARS FROM THE BIRTH OF MARIA CALLAS\u2019, and at the right the minting year \u20182023\u2019 and a palmette (mintmark of the Greek Mint); below the portrait runs the inscription \u2018HELLENIC REPUBLIC\u2019._x005F_x000D_<br \/>\n_x005F_x000D_<br \/>\nThe coin\u2019s outer ring depicts the 12 stars of the European flag.<\/p>","protected":false},"excerpt":{"rendered":"<p>The design features a portrait of the legendary Greek soprano Maria Callas. 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Inscribed along the inner edge is the wording \u2018100 YEARS FROM THE BIRTH OF MARIA CALLAS\u2019, and at the right the minting year \u20182023\u2019 and a palmette (mintmark of the Greek Mint); below the portrait runs the inscription \u2018HELLENIC REPUBLIC\u2019._x005F_x000D_ _x005F_x000D_ The coin\u2019s outer ring depicts the 12 stars of the European flag.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/eurocoincollection.com\/en\/product\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\/\" \/>\n<meta property=\"og:site_name\" content=\"Euro Coin Collection\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/eurocoincollection\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-01T07:53:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/eurocoincollection.com\/wp-content\/uploads\/2023\/07\/2023-mariacallas-proof-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/eurocoincollection.com\\\/product\\\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\\\/\",\"url\":\"https:\\\/\\\/eurocoincollection.com\\\/product\\\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\\\/\",\"name\":\"2023 (GR) - 100th Anniversary of the Birth of Maria Callas (PROOF) - Euro Coin Collection\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/eurocoincollection.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/eurocoincollection.com\\\/product\\\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/eurocoincollection.com\\\/product\\\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/eurocoincollection.com\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/2023-mariacallas-proof-1.jpg\",\"datePublished\":\"2023-07-22T14:17:45+00:00\",\"dateModified\":\"2025-09-01T07:53:39+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/eurocoincollection.com\\\/product\\\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/eurocoincollection.com\\\/product\\\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/eurocoincollection.com\\\/product\\\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\\\/#primaryimage\",\"url\":\"https:\\\/\\\/eurocoincollection.com\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/2023-mariacallas-proof-1.jpg\",\"contentUrl\":\"https:\\\/\\\/eurocoincollection.com\\\/wp-content\\\/uploads\\\/2023\\\/07\\\/2023-mariacallas-proof-1.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/eurocoincollection.com\\\/product\\\/2023-gr-100th-anniversary-of-the-birth-of-maria-callas-proof\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u0391\u03c1\u03c7\u03b9\u03ba\u03ae\",\"item\":\"https:\\\/\\\/eurocoincollection.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/eurocoincollection.com\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"2023 (GR) &#8211; 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