Silver from Tarshish and gold from Uphaz
In Jeremiah 10:9, 'silver from Tarshish' signifies the truth of the Word in its literal sense, and 'gold from Uphaz,' the good of the Word in the literal sense.
(Referências: Apocalypse Explained 585)
Exodus 11:2-3
2
Speak now in the ears of the people, and let them ask every man of his neighbor, and every woman of her neighbor, jewels of silver, and jewels of gold."
3
Yahweh gave the people favor in the sight of the Egyptians. Moreover the man Moses was very great in the land of Egypt, in the sight of Pharaoh's servants, and in the sight of the people.