{"item_id":4580,"name":"Black spear","url":"https://runescapetrader.com/item/4580","unit":"GP","buy_limit":8,"prices":{"instant_buy":{"gp":4016,"observed_at":"2026-09-11T21:55:55Z","age_seconds":833,"status":"fresh"},"instant_sell":{"gp":4000,"observed_at":"2026-09-11T21:26:43Z","age_seconds":2585,"status":"stale"}},"market_data_updated_at":"2026-09-11T22:09:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}