Did you know that King Charles and Queen Camilla's relatives had an affair? Cara Lynn Shultz is a writer-reporter at PEOPLE. Her work has previously appeared in Billboard and Reader's Digest.

Among 20 Fabergé pieces will be a famed blue enamel Art Nouveau cigarette case featuring a diamond-encrusted snake biting its own tail that Edward VII received from his mistress Alice Keppel in ...