FIG. 1 is a perspective view of a mug showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a front elevational view thereof; and,
FIG. 8 is an environmental perspective view thereof.
The broken line portions of the disclosure are for illustrative purposes only and form no part of the claimed design.