The ornamental design for cap, substantially as shown and described.
FIG. 1 is a top plan view of a cap showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a front elevational view thereof; and
FIG. 4 is a rear elevational view thereof.
The characteristic feature of my design resides in the particular surface
ornamentation representative of a multilayered cheeseburger on the crown
portion of the cap of the configuration shown.