{"item_id":21387,"name":"Master scroll book (empty)","url":"https://runescapetrader.com/item/21387","unit":"GP","buy_limit":100,"prices":{"instant_buy":{"gp":52500,"observed_at":"2026-10-26T04:37:14Z","age_seconds":105347,"status":"stale"},"instant_sell":{"gp":50000,"observed_at":"2026-10-26T04:44:01Z","age_seconds":104940,"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"}}