silver, money

Definition:

Silver is a shiny, gray precious metal used to make coins, jewelry, containers, and ornaments.

The various containers that are made include silver cups and bowls, and other things used for cooking, eating, or serving.
Silver and gold were used in the building of the tabernacle and the temple.The temple in Jerusalem had containers made of silver.
In Bible times, a shekel was a unit of weight, and a purchase was often priced at a certain number of shekels of silver. By New Testament times there were silver coins of various weights that were measured in shekels.
Joseph's brothers sold him as a slave for twenty shekels of silver.
Judas was paid thirty silver coins for betraying Jesus.