{"product_id":"scg518-st-helena-1979-stamp-on-stamp-issue-sir-rowland-hill-centenary-20p","title":"SCG518 - St. Helena 1979 Stamp-on-Stamp Issue – Sir Rowland Hill Centenary 20p","description":"\u003cp\u003e\u003cem\u003eThis 1979 20p commemorative stamp from St. Helena is a classic “stamp-on-stamp” issue, marking the centenary of Sir Rowland Hill’s death (1795–1879). It features a detailed reproduction of an overprinted “One Penny” historic St. Helena stamp, honoring the father of the modern postal system. A must-have piece for collectors specializing in postal history and stamp-on-stamp themes.\u003c\/em\u003e\u003c\/p\u003e","brand":"Stamp and Cover Galaxy","offers":[{"title":"Default Title","offer_id":45256828813483,"sku":"","price":30.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/2406\/6475\/files\/hn_7.jpg?v=1748418362","url":"https:\/\/stampandcovergalaxy.com\/products\/scg518-st-helena-1979-stamp-on-stamp-issue-sir-rowland-hill-centenary-20p","provider":"Stamp and Cover Galaxy","version":"1.0","type":"link"}