{"item_id":10306,"name":"Black helm (h1)","url":"https://runescapetrader.com/item/10306","unit":"GP","buy_limit":70,"prices":{"instant_buy":{"gp":4884,"observed_at":"2026-09-11T20:13:55Z","age_seconds":5549,"status":"stale"},"instant_sell":{"gp":4750,"observed_at":"2026-09-11T21:20:50Z","age_seconds":1534,"status":"stale"}},"market_data_updated_at":"2026-09-11T21:46:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}