{"product_id":"46013","title":"Heinle, Dr. K., Spectrophotometric color measurements in philate...","description":"\u003cp\u003e Heinle, Dr. K., Spectrophotometric color measurements in philately, 1993, introduction to the color measurement method developed by Dr. Heinle, 45 pages, with illustrations, small edition, only published as a special print for the circular 108 of the ArGe Thüringen-Sa, SBZ\/OPD edition, very well preserved, signed by the author #46013\u003c\/p\u003e","brand":"philabooks","offers":[{"title":"see description (tbd)","offer_id":49858651128125,"sku":"46013","price":30.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/7704\/0445\/files\/46013-00.jpg?v=1738229659","url":"https:\/\/philabooks.com\/en\/products\/46013","provider":"Philabooks","version":"1.0","type":"link"}