1 Samuel 21:9
And the priest replied, The sword of Goliath the Philistine, whom thou didst overcome in the valley of Elah, behold, it is here wrapped in a veil behind the ephod; if thou wilt take that, take it, for there is none other except that here. And David said, There is none like that; give it to me.
1 Samuel 17:2
And Saul and the men of Israel were gathered together and pitched camp by the valley of Elah and ordered the battle against the Philistines.
Exodus 28:6-14
and they shall make the ephod of gold, blue, purple, scarlet, and fine twined linen, with cunning work.
1 Samuel 17:50-54
So David overcame the Philistine with a sling and with a stone and smote the Philistine and slew him, but there was no sword in the hand of David.
1 Samuel 31:10
And they put his weapons in the house of Ashtaroth, and they fastened his body to the wall of Bethshan.