{"item_id":10310,"name":"Black helm (h3)","url":"https://runescapetrader.com/item/10310","unit":"GP","buy_limit":70,"prices":{"instant_buy":{"gp":3752,"observed_at":"2026-09-11T19:20:59Z","age_seconds":8947,"status":"stale"},"instant_sell":{"gp":4136,"observed_at":"2026-09-11T20:59:29Z","age_seconds":3037,"status":"stale"}},"market_data_updated_at":"2026-09-11T21:49:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}