Panel

FIG. 1 is a bottom, front, right perspective view of a panel showing our new design;

FIG. 2 is a top, front, right perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top plan view thereof; and,

FIG. 9 is an enlarged detail view of the encircled portion 9 shown in FIG. 1 .

The dash-dash broken lines in the figures depict portions of the panel that form no part of the claimed design. The dot-dot-dash broken lines represent boundaries of the enlarged views and form no part of the claimed design.