Jamieson, Fausset and Brown on Judges 8:24-26

24-26. Gideon said unto them, I would desire a request of you--This was the contribution of an earring (singular). As the ancient Arabians (Ishmaelites and Midianites being synonymous terms, Ge 37:25, 28) were gorgeously adorned with barbaric pearl and gold, an immense amount of such valuable booty had fallen into the hands of the Israelitish soldiers. The contribution was liberally made, and the quantity of gold given to him is estimated at £3113 sterling.