You’re showing a white jade carving of a pig from the Western Han Dynasty (206 BCE–9 CE).

Objects like this were often used as burial items, symbols of wealth, prosperity, and protection in the afterlife. Jade was highly valued in Han China for its durability, purity, and spiritual significance. This particular piece may have also functioned as a hand warmer, since polished jade retains a pleasant coolness or warmth when held.