{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:28:10+00:00","price":"30.49","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FMY7SZ15?maas=maas_adg_api_591219144452308049_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=27ddef26812f70e56cdc1c78cf939272&aa_adgroupid=9d91afd79d1f870f83bd106b1b0fde72_PBSEP_!!!affid!!!_118045_&aa_creativeid=ee62L1tCmKf811y2oqQZjx5SJD49_boEOBS7wIjh_acrM5h3Q_c"}],"product":{"brand":"PROSTEEL-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/prosteel-men-cuban-chain-necklace-with-sturdy-clasp-6-9-12mm-width-18-30-inch-length-chunky-necklace-silver-gold-plated-black-316l-stainless-steel-hip-b0fmy7sz15/prices","gtin":null,"id":8809,"model_number":null,"name":"PROSTEEL Men Cuban Chain Necklace with Sturdy Clasp 6/9/12mm Width 18-30 Inch Length Chunky Necklace Silver/Gold Plated/Black 316L Stainless Steel Hip","product_url":"https://mail.mainbuyer.com/product/prosteel-men-cuban-chain-necklace-with-sturdy-clasp-6-9-12mm-width-18-30-inch-length-chunky-necklace-silver-gold-plated-black-316l-stainless-steel-hip-b0fmy7sz15","urn":"MB-AWIN-GB-B0FMY7SZ15"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"30.49","historical_low":"30.49","last_observed_at":"2026-09-17T12:28:10+00:00","low_30d":"30.49","low_90d":"30.49","median_price":"30.49","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:10+00:00"}}