The bases for the posts were bronze, the hooks and bands were silver, and the plating for the tops of the posts was silver. So all the posts of the courtyard were banded with silver.
Jewish Publication Society of America Version (JPS1917) - Exodus 38:17 >And the sockets for the pillars were of brass; the hooks of the pillars and their fillets of silver; and the overlaying of their capitals of silver; and all the pillars of the court were filleted with silver.