Sellers often think that old costume jewelry made with fake stones and plated with silver or gold isn't worth anything. Yet "vintage costume jewelry can sell for big bucks," says Reyne Hirsch.
Look for sturdy settings and clasps; avoid pieces that have chipped or worn enamel.
There is only one place in the world where you can find an Apollo space capsule, dinosaur skeleton, Liberace's staircase, the Batmobile and a Venetian gondola.
