Pam Grier in "Coffy", 1973, @The Scene One Spectrum Theater.

"Coffy is a 1973 American blaxploitation action film written and directed by Jack Hill. The story is about a black female vigilante played by Pam Grier who seeks violent revenge against a heroin dealer responsible for her sister's addiction.[8]

Produced and distributed by American International Pictures (AIP), Coffy was the third Jack Hill film to star Grier, after The Big Doll House and The Big Bird Cage. Grier would go on to boost her career as the leading "femme fatale" of blaxploitation for the rest of the 1970s.[9][10]"

The above description was taken from the following Wikipedia article:

https://en.wikipedia.org/wiki/Coffy