The Masters Diamond: Boston Blackie (December 27, 1945)

“The Masters Diamond” is an episode of Boston Blackie, the old-time radio show, first broadcast December 27, 1945. Listen free on Stupid Potato.

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What happens

At a party at the Masters mansion, jewel thieves steal the fabulous Master's diamond, and Mrs. Masters is found murdered. Police suspect the thieves killed her, but Boston Blackie uncovers a more complex web of deception involving Mrs. Masters' sons and a southern belle with secrets of her own.

The Masters mansion and surrounding locations including Blackie's apartment and police headquarters

Characters: Boston Blackie, Inspector Faraday, Mary Wesley, Roger Masters, Harvey Masters, Georgia Aiken, Lemmy and Pete (thieves), Sammy Rollins

Listen for: The exchange between Blackie and the thieves Lemmy and Pete as they force him to take the stolen diamond; Blackie's deduction about the real killer revealed through makeup on Georgia's hand and the too-short chandelier used to stage Harvey's death

Written from the episode itself; it never gives away the ending. Every recording is remastered for the stream: cleaned of rumble, hiss and mains hum (and the old TV whine where we found it), then levelled in two passes to steady broadcast loudness, so one show is never quieter than the next.