2 Kings 20:12-13

12At that time Berodach-baladan a son of Baladan, king of Babylon, sent letters and a gift to Hezekiah, for he had heard that Hezekiah had been sick.

13Hezekiah listened to and welcomed them and [foolishly] showed them all his treasure house—the silver and gold and spices and precious oil and his armory and everything that was found in his treasuries. There was nothing in his house (palace) nor in all his realm that Hezekiah did not show them.