US D581353 S1
The ornamental Design for a tire sidewall, as shown and described.
FIG. 1 is a front elevational view of a tire sidewall showing my new design; and,
FIG. 2 is a front elevational view of a second embodiment thereof showing the disclaimed portions of FIG. 1 in solid lines.
The broken lines defining the tire tread, inner bead and the peripheral boundary between the tire tread and the sidewall in FIG. 1 are for illustrative purposes only and forms no part of the claimed design.