{"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":"2026-09-17T12:26:59+00:00","price":"39.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FMHZW5RG?maas=maas_adg_api_592814758365695781_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=de1672ca8c069a4a1fd3a68730437c8a&aa_adgroupid=2df357ab94c91f49fd89b10b2416c175_PBSEP_!!!affid!!!_118045_&aa_creativeid=c574zWvz5AzdTNLeBvPCPttYVlvyW1UTOd1KNK2aj3vqsnI_c"}],"product":{"brand":"AGM UK - Rugged Device","evidence_url":"https://mainbuyer.com/evidence/products/agm-m9-basic-mobile-phone-4g-lte-unlocked-dual-sim-3-card-slots-128gb-tf-expand-large-buttons-font-dual-battery-speed-dial-fm-radio-flashlig-b0fmhzw5rg/prices","gtin":null,"id":6774,"model_number":null,"name":"AGM M9 Basic Mobile Phone, 4G LTE Unlocked Dual SIM, 3 Card Slots/128GB TF Expand, Large Buttons & Font, Dual Battery, Speed Dial, FM Radio & Flashlig","product_url":"https://mainbuyer.com/product/agm-m9-basic-mobile-phone-4g-lte-unlocked-dual-sim-3-card-slots-128gb-tf-expand-large-buttons-font-dual-battery-speed-dial-fm-radio-flashlig-b0fmhzw5rg","urn":"MB-AWIN-GB-B0FMHZW5RG"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"39.99","historical_low":"39.99","last_observed_at":"2026-09-17T12:26:59+00:00","low_30d":"39.99","low_90d":"39.99","median_price":"39.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:26:59+00:00"}}