Plus ça change…
She could be a present day Occupy protester! Except, perhaps, for the cigarrette in hand 🙂 This photo was taken in 1970!
This is as much info as I could find about the picture:
Protestor at Weinstein Hall demonstration for the rights of gay people on the NYU campus, 1970 (Photograph by Diana Davies, Diana Davies Papers), NY Public Library Schwartzman Research Branch, “1969: The Year of Gay Liberation” exhibit (source — this article itself is also well worth a read).