{"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":"2026-10-21T03:08:04+00:00","price":"18.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B077264KNW?maas=maas_adg_api_591219144452308049_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB27ddef26812f70e56cdc1c78cf939272_bb774a81ed32&aa_adgroupid=2b9892430c942f0201a9751f4e48837e_PBSEP_!!!affid!!!_118045_&aa_creativeid=807eoWgUiaDTT4_b_axq2pCeu_arFzRQzZEXRzQJFhrvwqS_b_bQ_c"}],"product":{"brand":"PROSTEEL-UK","evidence_url":"https://mainbuyer.com/evidence/products/prosteel-mens-cuban-chain-silver-gold-plated-black-miami-chunky-curb-chain-necklace-hip-hop-jewellery-5-6-10mm-18-30-inches-316l-stainless-stee-b077264knw/prices","gtin":null,"id":18849,"model_number":null,"name":"PROSTEEL Mens Cuban Chain, Silver/Gold Plated/Black Miami Chunky Curb Chain Necklace Hip Hop Jewellery, 5/6/10mm - 18\"-30\" Inches, 316L Stainless Stee","product_url":"https://mainbuyer.com/product/prosteel-mens-cuban-chain-silver-gold-plated-black-miami-chunky-curb-chain-necklace-hip-hop-jewellery-5-6-10mm-18-30-inches-316l-stainless-stee-b077264knw","urn":"MB-AWIN-GB-B077264KNW"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"18.99","historical_low":"18.99","last_observed_at":"2026-10-21T03:08:04+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":"2026-10-21T03:08:04+00:00"}}