Hogwarts Castle #4757 worth

Based on the catalog data you have on screen, the Hogwarts Castle #4757 is listed with a used value of $175.07. Since the second item, "LEGO Hogwarts Castle (4757-1) (Harry Potter)," is unpriced in the current view, I cannot give you a specific valuation for it. Generally, the value of LEGO sets is driven by completeness (whether all pieces are present), condition, and whether it is sealed or loose. You can compare the current asking prices on the live listings shown on your screen against this sold value to see what the market is currently asking.