Greek word rendered "piece of money" (Matthew 17:27, A.V.; and "shekel" in RSV). It was equal to two didrachmas ("tribute money," 17:24), or four drachmas, and to about 2s. 6d. of our money. (See SHEKEL .)
These dictionary topics are from M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition, published by Thomas Nelson, 1897. Public Domain, copy freely.
Easton, Matthew George. "Entry for 'Stater'". "Easton's Bible Dictionary".