U.S.S. Constellation #10021 worth

The catalog data provided for the U.S.S. Constellation #10021 shows a used value of $252 for the LEGO Brand Set Value [1]. Since the second item, "LEGO U.S.S. Constellation (10021-1) (Hobby Sets)," is unpriced in the catalog, I cannot provide a specific value for it. Generally, the value of LEGO sets is driven by completeness (CIB), condition, and whether it is a rare or retired set. You can compare the current live asking prices shown on the screen for both listings to see how they stack up against the $252 sold value for the first item.