verso top in blue ink: 2mj set 2453 Roll 10-12; upper left in pencil: 10-2453-12; bottom edge left to right in pencil: Gippsland Basin drilling rig, Australia SONJ # 2453 / (a) 387 RIO, # 12

not signed

verso center a stamp in red: PLEASE CREDIT / STANDARD OIL CO. (N.J.); lower right a stamp in red: PLEASE RETURN UNUSED PHOTOS TO / STANDARD OIL CO. (N.J.) / PUBLIC RELATIONS DEPT. / 30 ROCKEFELLER PLAZA / NEW YORK, 20, NEW YORK
the image has a number of vertical lines in orange marker on its surface