It is from 1914, when she was on the cusp of every possibility:

Edna St. Vincent Millay by Arnold Genthe, 1914
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.
Again.
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.
Edna St. Vincent Millay was born on 22 February 1892.
Edna St. Vincent Millay.
“I am glad that I paid so little attention to good advice; had I abided by it I might have been saved from some of my most valuable mistakes.”-Edna St. Vincent Millay
Edna St. Vincent Millay reading Recuerdo.
‘Love is Not All’ by Edna St. Vincent Millay.
Love it not all: it is not meat nor drink