WS27U0G100411 Looking for history on this '70 RT Convert

[RHORNE14]

WS27U0G100411 Looking for background information if anyone has it on this RT convertible. Supposedly a show car built 8/2/69 (fender tag is in place) Would love to know the story behind it. (AC, Pwr Windows, 6-way seat, 8-track, non numbers match engine).
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