{"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":"2026-09-17T12:27:50+00:00","price":"17.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B081RXY96J?maas=maas_adg_api_591219144452308049_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=27ddef26812f70e56cdc1c78cf939272&aa_adgroupid=e5cbbf52f702da14ff6ff4621587f1a5_PBSEP_!!!affid!!!_118045_&aa_creativeid=f57cVlJC5spvjmRZ9qcXzbXuWJuk76_agAFEQdF7v1vy5Mo0_c"}],"product":{"brand":"PROSTEEL-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/prosteel-st-christopher-necklace-for-men-saint-christopher-pendant-chain-personalised-engrave-catholic-protection-jewellery-silver-gold-black-with-b081rxy96j/prices","gtin":null,"id":8201,"model_number":null,"name":"PROSTEEL St Christopher Necklace for Men, Saint Christopher Pendant Chain, Personalised Engrave Catholic Protection Jewellery Silver/Gold/Black (With","product_url":"https://www.mainbuyer.com/product/prosteel-st-christopher-necklace-for-men-saint-christopher-pendant-chain-personalised-engrave-catholic-protection-jewellery-silver-gold-black-with-b081rxy96j","urn":"MB-AWIN-GB-B081RXY96J"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"17.99","historical_low":"17.99","last_observed_at":"2026-09-17T12:27:50+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":"2026-09-17T12:27:50+00:00"}}