{"id":10201,"date":"2026-05-31T13:01:10","date_gmt":"2026-05-31T12:01:10","guid":{"rendered":"https:\/\/www.maison-riondet.fr\/en\/?p=10201"},"modified":"2026-05-31T13:07:00","modified_gmt":"2026-05-31T12:07:00","slug":"art-nouveau-diamond-emerald-ruby-sapphire-and-pearl-butterfly-pendant-brooch-4-3-cm-x-4-cm-created-by-besson-guilloud-between-1896-and-1908","status":"publish","type":"post","link":"https:\/\/www.maison-riondet.fr\/en\/art-nouveau-diamond-emerald-ruby-sapphire-and-pearl-butterfly-pendant-brooch-4-3-cm-x-4-cm-created-by-besson-guilloud-between-1896-and-1908\/","title":{"rendered":"Belle Epoque Diamond, Emerald, Ruby, Sapphire and Pearl Butterfly Pendant\/Brooch (4.3 cm x 4 cm). Created by Besson &amp; Guilloud between 1896 and 1908."},"content":{"rendered":"\n<p>Jewellery Type: Antique Jewellery<br>Period: Belle Epoque<br>Origin: French workmanship (Besson &amp; Guilloud maker&rsquo;s mark)<br>Metal: 18K gold (750\/1000) and silver<br>Hallmark: Horse-head assay mark, used in France from 1838 to 1919<br>Gross Weight: 15.30 g<br>Dimensions: 4.3 cm x 4 cm<br>Gemstones: Rose-cut diamonds, emeralds, rubies, sapphires and pearl<br>Condition: Very good condition<br>Price: Upon request<br>Reference: 06 125 1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jewellery Type: Antique JewelleryPeriod: Belle EpoqueOrigin: French workmanship (Besson &amp; Guilloud maker&rsquo;s mark)Metal: 18K gold (750\/1000) and silverHallmark: Horse-head assay mark, used in France from 1838 to 1919Gross Weight: 15.30 gDimensions: 4.3 cm&#8230;<\/p>\n","protected":false},"author":4,"featured_media":10202,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9,14,4,29,31],"tags":[],"class_list":["post-10201","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-belle-epoque","category-catalogue","category-necklaces-pendants","category-signed-jewellery","category-spindles"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/posts\/10201","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/comments?post=10201"}],"version-history":[{"count":2,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/posts\/10201\/revisions"}],"predecessor-version":[{"id":10204,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/posts\/10201\/revisions\/10204"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/media\/10202"}],"wp:attachment":[{"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/media?parent=10201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/categories?post=10201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.maison-riondet.fr\/en\/wp-json\/wp\/v2\/tags?post=10201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}