{"item_id":3420,"name":"Limestone brick","url":"https://runescapetrader.com/item/3420","unit":"GP","buy_limit":10000,"prices":{"instant_buy":{"gp":278,"observed_at":"2026-09-11T22:55:02Z","age_seconds":104,"status":"fresh"},"instant_sell":{"gp":278,"observed_at":"2026-09-11T22:54:40Z","age_seconds":126,"status":"fresh"}},"market_data_updated_at":"2026-09-11T22:56:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}