{"item_id":21804,"name":"Ancient crystal","url":"https://runescapetrader.com/item/21804","unit":"GP","buy_limit":250,"prices":{"instant_buy":{"gp":150842,"observed_at":"2026-10-26T04:37:08Z","age_seconds":97268,"status":"stale"},"instant_sell":{"gp":148750,"observed_at":"2026-10-26T04:45:58Z","age_seconds":96738,"status":"stale"}},"market_data_updated_at":"2026-10-26T04:47:27Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}