The Phantom of the Opera by Gaston Leroux.  Indianapolis: The Bobbs-Merrill Company, 1911.  348 pages + The Paris Opera House.

First edition, but later printing?  There is only a black and white frontispiece by Andre Castaigne [as opposed to color, and 4 more illustrations], but it does have “Press of Braunworth, etc.” [indication of first impression] on copyright page.