{"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":"2026-09-17T12:28:30+00:00","price":"18.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B07LCDWNWM?maas=maas_adg_api_591219144452308049_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=27ddef26812f70e56cdc1c78cf939272&aa_adgroupid=36390845700585a093cdb2355aa583a9_PBSEP_!!!affid!!!_118045_&aa_creativeid=838fvq_acBIL8ev7T40wCOvjeQ22Q0Bq_b6KzMZj7ynN_b1Q_bY_c"}],"product":{"brand":"PROSTEEL-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/prosteel-custom-engraved-medical-alert-necklace-personalized-id-medical-allergy-sos-awareness-jewelry-with-gift-box-b07lcdwnwm/prices","gtin":null,"id":9422,"model_number":null,"name":"PROSTEEL Custom Engraved Medical Alert Necklace, Personalized ID Medical Allergy SOS Awareness Jewelry (With Gift Box)","product_url":"https://mail.mainbuyer.com/product/prosteel-custom-engraved-medical-alert-necklace-personalized-id-medical-allergy-sos-awareness-jewelry-with-gift-box-b07lcdwnwm","urn":"MB-AWIN-GB-B07LCDWNWM"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"18.99","historical_low":"18.99","last_observed_at":"2026-09-17T12:28:30+00:00","low_30d":"18.99","low_90d":"18.99","median_price":"18.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:30+00:00"}}