Charles Ellicott Commentary Zechariah 6:14

"And the crowns shall be to Helem, and to Tobijah, and to Jedaiah, and to Hen the son of Zephaniah, for a memorial in the temple of Jehovah." — Zechariah 6:14 (ASV)

The crowns. —Better, the crown. (See Note on Zechariah 6:11.) The verb is in the singular.

For a memorial —namely, of their piety.