{"item_id":21320,"name":"Amethyst javelin(p)","url":"https://runescapetrader.com/item/21320","unit":"GP","buy_limit":7000,"prices":{"instant_buy":{"gp":645,"observed_at":"2026-09-10T18:12:49Z","age_seconds":85548,"status":"stale"},"instant_sell":{"gp":101,"observed_at":"2026-09-02T00:59:48Z","age_seconds":838729,"status":"stale"}},"market_data_updated_at":"2026-09-11T17:58:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}