The ornamental design of an automobile front bumper, as shown and described.
FIG. 1 is a perspective drawings showing the exterior surface of the right side and front of an automobile front bumper of the present invention, the left side being identical to the right side, and the inside of the bumper having no ornamentality;
FIG. 2 is a front view of the exterior surface of the bumper of FIG. 1, the interior surface having no ornamentality; and,
FIG. 3 is side view showing the exterior surface of the right side of the bumper of FIG. 1, the left side being identical to the right side, the interior surface having no ornamentality.
The broken lines shown in the drawings are for environmental illustration purposes only and form no part of the present invention.