{"item_id":12990,"name":"Black set (sk)","url":"https://runescapetrader.com/item/12990","unit":"GP","buy_limit":8,"prices":{"instant_buy":{"gp":7444,"observed_at":"2026-09-11T20:07:59Z","age_seconds":9523,"status":"stale"},"instant_sell":{"gp":7398,"observed_at":"2026-09-07T18:53:15Z","age_seconds":359607,"status":"stale"}},"market_data_updated_at":"2026-09-11T22:46:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}