The Mandarin Mystery, 1936

The Mandarin Mystery is a 1936 American film directed by Ralph Staub, loosely based on The Chinese Orange Mystery, a novel featuring detective character Ellery Queen.

Plot:
Two murders are committed and a $50,000 Chinese Mandarin stamp is stolen, tossed around and eventually recovered as an aggregation of costly-stamp counterfeiters are uncovered through the mastermind investigation by Ellery Queen.