Silver.  Chinese Antique Ming Dynasty Silver Ingot. Sycee. Silver bar.

A CHINESE  SILVER INGOT with Inscriptions。

Approximate weight: 2.93 lbs = 46.88 ounces = 1328 grams

Dimensions: 14.6 cm x 9 cm x 4 cm5.75 inches x 3.5 inches x 1.5 inches