I believe, I believe! But others have made reasonable guesses. Not everyone is as ancient as Hot Water and I, and therefore perhaps not as familiar with the small details of the classic E unit color schemes of the 1940's and 1950's. I give attaboys, though, to everyone who bravely stuck out his neck and guessed.
But the the only locomotive that could be in the photo is FEC 1006. Among other spotting features, the black "wing stripes" on the nose door beside the headlight bezel, barely visible, eliminate all railroads other than Florida East Coast.
Florida East Coast E7A 1006, EMD Serial Number 2293, delivered in April, 1945 (one of the very first E7's delivered.) No, I didn't have a good enough monitor to read that off of the rectangular stainless steel builders plate. I had to look it up.