Albert Barnes Commentary Judges 17:10

"And Micah said unto him, Dwell with me, and be unto me a father and a priest, and I will give thee ten [pieces] of silver by the year, and a suit of apparel, and thy victuals. So the Levite went in." — Judges 17:10 (ASV)

Ten shekels - About 25 shillings to 26 shillings .