Apologies for reviving a 12-year-old thread, but I do need to contribute:
Later TV prints of the 1957 film
20 Million Miles to Earth had one, too -- but in black & white:
https://www.youtube.com/watch?v=mOfhaYCAwak
(discovered by SuperMarty-o)
This one actually has the same Coke byline as the 1986-87 Merv Griffin Enterprises logo (where "A Unit of" is set in Helvetica).
The regular colored Cokebursts we've found so far use the 1987-88 Coca-Cola Television byline.
~Ben