Upper portion of a container

FIG. 1 is a perspective view of an upper portion of a container, embodying our new design;

FIG. 2 is a side elevational view thereof, the opposite side elevational view being the same;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.