WGN Channel 9 - The Flintstones (Bumper, 1973)
Here's a promo bumper slide for The Flintstones on WGN Channel 9, for 4:30pm. The "color" notice (set in Microgramma Bold Extended) would date the origin of this bumper to some time in the mid-to-late 1960s.
This aired on local Chicago TV on Monday, July 2nd 1973 at 8:30am.
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