FIG. 1 is a front elevational view of a travel coffee mug showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front, top and right side perspective view thereof;
FIG. 8 is a rear, top and left side perspective view thereof; and,
FIG. 9 is a front, bottom and right side perspective view thereof.
The broken lines in the drawings illustrate portions of the travel coffee mug which form no part of the claimed design.