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Mark 2400: Found Photo - Jeopardy, 1973
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Mark 2400: Found Photo - Final Jeopardy!, 1973
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Mark 2400: Found Photo - The $20,000 Pyramid, 1978
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Mark 2400: Found Photo - The $20,000 Pyramid, 1978
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Mark 2400: Found Photo - The $20,000 Pyramid, 1978
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Mark 2400: Found Photo - The $20,000 Pyramid, 1978
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Mark 2400: Found Photo - The $20,000 Pyramid, 1978
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Mark 2400: The "Who What or Where" Game Show
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Mark 2400: Found Photo - The "Who What or Where" Show
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Mark 2400: Found Photo - The "Who What or Where" Show
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Mark 2400: Found Photo - The "Who What or Where" Show
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Mark 2400: Found Photo - The "Who What or Where" Show
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Mark 2400: Found Photo - The "Who What or Where" Show
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Mark 2400: Found Photo - Jeopardy! 1973
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Mark 2400: Found Photo - Jeopardy! 1973
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Mark 2400: Found Photo - Jeopardy! 1973
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Mark 2400: Found Photo - Jeopardy! 1973
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Mark 2400: Found Photo - Jeopardy! 1973
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Mark 2400: Found Photo - Jeopardy! 1973
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Mark 2400: Found Photo - Jeopardy! 1973
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Mark 2400: Found Photo - The $20,000 Pyramid, 1978
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Mark 2400: Found Photo - $20,000 Pyramid, 1979
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Mark 2400: Found Photo - The $20,000 Pyramid, 1978