{"item_id":311,"name":"Harpoon","url":"https://runescapetrader.com/item/311","unit":"GP","buy_limit":40,"prices":{"instant_buy":{"gp":83,"observed_at":"2026-09-11T22:07:00Z","age_seconds":185,"status":"fresh"},"instant_sell":{"gp":80,"observed_at":"2026-09-11T21:47:22Z","age_seconds":1363,"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"}}