{"product_id":"scg812-austria-1992-150-years-of-the-doppler-principle","title":"SCG812 - Austria 1992 – 150 Years of the Doppler Principle","description":"\u003cp\u003e\u003cem\u003eThis Austrian 6-schilling stamp, issued in 1992, commemorates the 150th anniversary of the Doppler Principle, named after physicist Christian Doppler. The design features a portrait of Doppler alongside wave diagrams symbolizing his famous discovery on frequency shifts. A fascinating issue for collectors of science and innovation themes.\u003c\/em\u003e\u003c\/p\u003e","brand":"Stamp and Cover Galaxy","offers":[{"title":"Default Title","offer_id":45271841472683,"sku":"","price":20.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/2406\/6475\/files\/Scan_0003_1.jpg?v=1748931740","url":"https:\/\/stampandcovergalaxy.com\/products\/scg812-austria-1992-150-years-of-the-doppler-principle","provider":"Stamp and Cover Galaxy","version":"1.0","type":"link"}