It is from 1914, when she was on the cusp of every possibility:
Edna St. Vincent Millay by Arnold Genthe, 1914
I have to share it with you.
It has been too long.
Edna St. Vincent Millay at Mitchell Kennerley’s house in Mamaroneck, New York (1914). Photo by Arnold Genthe.
“Please give me some good advice in your next letter. I promise not to follow it.”-Edna St. Vincent Millay
Cropped black and white version.