{"item_id":21318,"name":"Amethyst javelin","url":"https://runescapetrader.com/item/21318","unit":"GP","buy_limit":11000,"prices":{"instant_buy":{"gp":165,"observed_at":"2026-09-11T21:40:48Z","age_seconds":762,"status":"fresh"},"instant_sell":{"gp":165,"observed_at":"2026-09-11T21:44:02Z","age_seconds":568,"status":"fresh"}},"market_data_updated_at":"2026-09-11T21:53:13Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}