Lost Angel of Darkness

She was tall, dark hair, could have been a man, but couldn't tell because of the mirror 70's aviator glasses, the long black leather trench-coat, dress(?) and massive black boots. She was kind of wandering on O'Farrell, toward Hyde, slowing at Ada Alley. I could manage only a glance. She could of been the drag-queen alter-ego of Sisters of Mercy..