Perry Mason (1957)

S9E23 The Case of the Tsarina's Tiara

Gerard Van Ness is taken aback when he unexpectedly comes into possession of a valuable, long-forgotten tiara. Meanwhile, Perry and Della are shocked to discover the body of a jewel thief concealed in a trunk that arrives at their office. Unsurprisingly, Van Ness finds himself accused of the murder, leaving it to Perry and his team to unravel the mystery and clear his name.