Smith's Bible Dictionary
Farthing. Two names of coins in the New Testament are rendered in the Authorized Version by this word:
1. Quadrans, Matthew 5:26; Mark 12:42, a coin current in the time of our Lord, equivalent to three-eights of a cent;
2. The assarion, equal to one cent and a half, Matthew 10:29; Luke 12:6.
These files are public domain.
Smith, William, Dr. Entry for 'Farthing'. Smith's Bible Dictionary. https://www.studylight.org/dictionaries/eng/sbd/f/farthing.html. 1901.