Sorry i didn't realise, i looked on the superbee registry and the WM21, just said Coronet, i wasn't aware of the roof style being unique to bees.
It's a while since i had a street car.
Mick

69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36