FIG. 1 is a perspective view of a portable seating bleacher showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is an enlarged perspective view of the seating system showing our design.

The broken lines are for illustrative purposes only and form no part of the claimed design.