1 Samuel 21:9
The priest said, "The sword of Goliath the Philistine, whom you killed in the valley of Elah, behold, it is here wrapped in a cloth behind the ephod. If you will take that, take it; for there is no other except that here." David said, "There is none like that. Give it to me."
1 Samuel 17:2
Saul and the men of Israel were gathered together, and encamped in the valley of Elah, and set the battle in array against the Philistines.
Exodus 28:6-14
"They shall make the ephod of gold, of blue, and purple, scarlet, and fine twined linen, the work of the skillful workman.
1 Samuel 17:50-54
So David prevailed over the Philistine with a sling and with a stone, and struck the Philistine, and killed him; but there was no sword in the hand of David.
1 Samuel 31:10
They put his armor in the house of the Ashtaroth; and they fastened his body to the wall of Beth Shan.