{"product_id":"bridget-riley-op-art-cornwall-painting-artist-rare-npg-postcard","title":"Bridget Riley Op Art Cornwall Painting Artist Rare NPG Postcard","description":"NPGBA** - This is an undated but modern rare collectors postcard from the National Portrait Gallery in London of this photographic art souvenir of Cornwall \"Op Artist\" Bridget Riley  that was originally created from a bromide in 1963 and the postcard appearing an official souvenir when the work on display at the National Portrait Gallery with the gallery having its large famous logo on reverse together with details of the original artist of the work and its canvas size when exhibited unused and mint (same as brand new).  A prestigious rarely found specialist souvenir for any Bridget Riley collector.    ","brand":"Postcard Finder","offers":[{"title":"Default Title","offer_id":56171317428550,"sku":"135802","price":4.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3216\/9030\/files\/bridget-riley-op-art-cornwall-painting-artist-rare-npg-postcard-135802-p.jpg?v=1773404913","url":"https:\/\/postcardfinder.co.uk\/products\/bridget-riley-op-art-cornwall-painting-artist-rare-npg-postcard","provider":"Postcard Finder","version":"1.0","type":"link"}