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A Gem of a Jam is a television show that was first aired in 1970 . A Gem of a Jam ended its run in 1970.
It features Hugh McCollum as producer, and John Stumar as head of cinematography.
A Gem of a Jam is recorded in English and originally aired in United States. Each episode of A Gem of a Jam is duration A Gem of a Jam is distributed by Columbia Pictures.
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