Ultimate Lightsaber Duel #7257 worth

The catalog data for "Ultimate Lightsaber Duel #7257" is not detailed enough to give a specific valuation beyond the used sold price of $252.52 [1]. Generally, the value of LEGO Star Wars sets is driven by the set's rarity, condition (especially if it's complete and in the original box), and current demand from collectors. Since the second item listed is unpriced, I recommend checking the live eBay listings shown on your screen to compare the current asking prices against the $252.52 sold value to see if it's a good time to buy or sell.