{"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":"2026-09-17T12:28:35+00:00","price":"17.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B07S6LYF7Q?maas=maas_adg_api_591219144452308049_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=27ddef26812f70e56cdc1c78cf939272&aa_adgroupid=2bbef069a73b1dd11cbd946e22c79fee_PBSEP_!!!affid!!!_118045_&aa_creativeid=a7c9zxtaLcAyxlgj7fdWwrE_aTjEUMOMLv2GtdrDlvcmOzcE_c"}],"product":{"brand":"PROSTEEL-UK","evidence_url":"https://mainbuyer.com/evidence/products/prosteel-medical-id-necklaces-emergency-alert-jewelry-free-engraving-316l-stainless-steel-with-gift-box-b07s6lyf7q/prices","gtin":null,"id":9572,"model_number":null,"name":"PROSTEEL Medical ID Necklaces, Emergency Alert Jewelry, Free Engraving, 316L Stainless Steel (With Gift Box)","product_url":"https://mainbuyer.com/product/prosteel-medical-id-necklaces-emergency-alert-jewelry-free-engraving-316l-stainless-steel-with-gift-box-b07s6lyf7q","urn":"MB-AWIN-GB-B07S6LYF7Q"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"17.99","historical_low":"17.99","last_observed_at":"2026-09-17T12:28:35+00:00","low_30d":"17.99","low_90d":"17.99","median_price":"17.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:35+00:00"}}