#1323 δίδραχμον didrachmon {did'-rakh-mon}

 from G1364 and G1406; TDNT - n/a; n n

—Greek Word Study (Transliteration-Pronunciation Etymology & Grammar)

 1) a didrachmon or double drachma, a silver coin equal to two
    Attic drachmas or one Alexandrian, or one half a shekel

—Thayer's (New Testament Greek-English Lexicon)

—Strong's (Greek Dictionary of the New Testament)

—NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries

 AV - tribute 1, tribute money 1; 2

—Exhaustive Concordance (KJV Translation Frequency & Location)