{"item_id":12231,"name":"Iron full helm (t)","url":"https://runescapetrader.com/item/12231","unit":"GP","buy_limit":4,"prices":{"instant_buy":{"gp":39412,"observed_at":"2026-09-11T17:42:08Z","age_seconds":902,"status":"stale"},"instant_sell":{"gp":21612,"observed_at":"2026-09-11T16:35:26Z","age_seconds":4904,"status":"stale"}},"market_data_updated_at":"2026-09-11T17:56:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}