{"item_id":3211,"name":"Limestone","url":"https://runescapetrader.com/item/3211","unit":"GP","buy_limit":13000,"prices":{"instant_buy":{"gp":135,"observed_at":"2026-09-11T22:06:24Z","age_seconds":229,"status":"fresh"},"instant_sell":{"gp":130,"observed_at":"2026-09-11T21:16:20Z","age_seconds":3233,"status":"stale"}},"market_data_updated_at":"2026-09-11T22:10:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}