The ornamental design for a wheel covering, substantially as shown and described.
FIG. 1 is a front elevational view of a wheel covering showing our new
design, it being understood that the broken lines are for illustrative
purposes only; and
FIG. 2 is a perspective view thereof.
The rear of the wheel covering is plain and unornamented and is
substantially the reverse image of the front, and the edge of the outer
rim of the covering is of no substantial thickness.