The image is a photograph of a plaque on a wall. The plaque is rectangular in shape and has black text on a beige background. The text reads "Early Spade-shaped Coin (c. 11th century-771 BC) Western Zhou Dynasty (c.) The earliest Chinese coins resembled cowries, spades, and knives in shape. This coin, possibly dating to the 11th-8th centuries BC, is in the shape of a spade. From around the 8th century BC until the 14th century, bronze was the principal material used in manufacturing Chinese coins."