{"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":"2026-09-17T12:27:31+00:00","price":"29.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DZ2CVJQ7?maas=maas_adg_api_592882905827670384_static_12_45&ref_=aa_maas&tag=maas&aa_campaignid=26852ccb098a8641bb67be7d3a31c2a8&aa_adgroupid=6e6c91d116cef04ac808ed7f74e62906_PBSEP_!!!affid!!!_118045_&aa_creativeid=4fdbDfGmZ_aLzaT_bncQEy1g2R2RhpAiPRym81PP_bW1MCs4R8_c"}],"product":{"brand":"MHW-3BOMBER UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/mhw-3bomber-45-5mm-espresso-tamper-3-spring-loaded-coffee-tamper-with-sound-feedback-barista-calibrated-tamper-with-15lb-30lbs-replacement-sprin-b0dz2cvjq7/prices","gtin":null,"id":7671,"model_number":null,"name":"MHW-3BOMBER 45.5mm Espresso Tamper - 3 Spring Loaded Coffee Tamper with Sound Feedback - Barista Calibrated Tamper with 15lb / 30lbs Replacement Sprin","product_url":"https://mail.mainbuyer.com/product/mhw-3bomber-45-5mm-espresso-tamper-3-spring-loaded-coffee-tamper-with-sound-feedback-barista-calibrated-tamper-with-15lb-30lbs-replacement-sprin-b0dz2cvjq7","urn":"MB-AWIN-GB-B0DZ2CVJQ7"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"29.99","historical_low":"29.99","last_observed_at":"2026-09-17T12:27:31+00:00","low_30d":"29.99","low_90d":"29.99","median_price":"29.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:27:31+00:00"}}