An old-fashioned key, as opens an antique chest or wardrobe. Generally depicted at a 45° angle as a tarnished, silver skeleton key with an ornate, bowed head and two-toothed bit at the bottom left.
Like 🔑 Key, often used figuratively, e.g., the key to success, being key ("crucial"). May also be applied to antiques.
Microsoft’s design is gold, with the head at the upper left. Samsung and Facebook’s keys were previously gold.
Old Key was approved as part of Unicode 7.0 in 2014 and added to Emoji 1.0 in 2015.