{"product_id":"4635-gb-collection-of-errors-oddities-flaws-variations-inc-perf-errors-wmk-errors-etc-39-pics","title":"4635 GB Collection of Errors, Oddities, Flaws \u0026 Variations. Inc Perf Errors, Wmk Errors Etc. 39 Pics","description":"An interesting and unusual collection of errors, flaws, variations and oddities. Including: colour varations, overprint errors, constant flaws, bisects, postal oddities, inverted\/sideways watermarks, no cross on crown flaws, training stamps, graphite line errors, major machine perf errors.  Careful viewing advised. 39 Pics.","brand":"Blackheath Stamps","offers":[{"title":"Default Title","offer_id":42860871778465,"sku":"4635","price":80.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/9128\/4385\/products\/001_2023-02-01_4635-000.jpg?v=1785526512","url":"https:\/\/www.blackheathstamps.co.uk\/products\/4635-gb-collection-of-errors-oddities-flaws-variations-inc-perf-errors-wmk-errors-etc-39-pics","provider":"Blackheath Stamps","version":"1.0","type":"link"}