{"item_id":8901,"name":"Black mask (10)","url":"https://runescapetrader.com/item/8901","unit":"GP","buy_limit":70,"prices":{"instant_buy":{"gp":873610,"observed_at":"2026-09-11T22:25:16Z","age_seconds":1778,"status":"stale"},"instant_sell":{"gp":840000,"observed_at":"2026-09-11T22:51:40Z","age_seconds":194,"status":"fresh"}},"market_data_updated_at":"2026-09-11T22:54:11Z","source":{"name":"OSRS Wiki real-time prices","url":"https://oldschool.runescape.wiki/w/RuneScape:Real-time_Prices"}}