http://www.rte.ie/ten/2012/0117/carrbunny.html
I found this on the rte website...No footage but definitely proves your story...
"It debuted in September 1965, a hi-tech quiz in which "a system of flashing bulbs time-controlled by pulses from the studio clock" counted down on nervous contestants as they answered questions for life-changing sums of money such as 5p."
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