Capitol Unmarked Quad LPs of the '70s

[JonUrban]

Steve (or any of the "industry insiders" who lurk here),

This scan is from an old Billboard, probably around 1973.
Do you guys know anything about this? Is this true or was
it just marketing hype. Us old time Quaddies have wondered
about this for almost 30 years.


http://users.erols.com/jurban/Capitol-QS.jpg


THANKS

:-jon