{"product_id":"gagb-chelsea-colour-filter-1990s","title":"GAGB Chelsea Colour Filter 1990s","description":"\u003cp data-start=\"0\" data-end=\"286\"\u003eThis filter represents an updated version of the 1970s GAGB Chelsea Colour Filter, housed in a later case material that appears less prone to yellowing. As the Gemmological Association of Great Britain adopted the name Gem-A around 2001, this unit is most plausibly dated to the 1990s.\u003c\/p\u003e\n\u003cp data-start=\"288\" data-end=\"366\"\u003eThe precise manufacturing date of this Chelsea Filter has not been determined.\u003c\/p\u003e\n\u003cp data-start=\"368\" data-end=\"457\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThis object is part of the museum archives; no examples are currently available for sale.\u003c\/p\u003e","brand":"Gems.studio","offers":[{"title":"Default Title","offer_id":51547178795328,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0397\/2672\/files\/GAGB1990_1.gif?v=1771490331","url":"https:\/\/gems.studio\/products\/gagb-chelsea-colour-filter-1990s","provider":"Gems.studio","version":"1.0","type":"link"}