{"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":"2026-09-17T12:29:40+00:00","price":"36.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FMY8R2C1?maas=maas_adg_api_591219144452308049_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=27ddef26812f70e56cdc1c78cf939272&aa_adgroupid=4ab3e9f3bae70d1b3308a049be5bc3ed_PBSEP_!!!affid!!!_118045_&aa_creativeid=f7dc0jySfblffNB1V8Y7S7iIqOH_aMhtK_bi5kyi9enQt7oDU_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-b0fmy8r2c1/prices","gtin":null,"id":11652,"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-b0fmy8r2c1","urn":"MB-AWIN-GB-B0FMY8R2C1"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"36.99","historical_low":"36.99","last_observed_at":"2026-09-17T12:29:40+00:00","low_30d":"36.99","low_90d":"36.99","median_price":"36.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:40+00:00"}}