Nothing — Strictly and properly: but in a more large sense, the pot of manna, and Aaron's rod were also in it, Hebrews 9:4, that is, by it, in the most holy place, before the ark of the testimony, where God commanded Moses to put them.
Related Commentaries of 1 Kings 8:9
1 Kings 8:9
9 There was nothing in the ark save the two tables of stone, which Moses put there at Horeb, when the LORD made a covenant with the children of Israel, when they came outc of the land of Egypt.