'The Justice Society of America: The Golden Age' by Alex Ross (b. 1970)
Featuring classic DC characters like Superman, Batman, Wonder Woman, The Spectre, The Flash, and many more.
Signed at the bottom left and numbered 35/100 at bottom right.
COA on back,
Measures Framed size 38 1/2" x 17 1/2" Canvas size 36 1/2" x 15 3/4"