US D630867 S1
The ornamental design for an exhibition stand, as shown and described.
FIG. 1 is a front side view looking down of an exhibition stand showing my new design;
FIG. 2 is a side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a front side view looking down on the exhibition stand in a partially open position; and,
FIG. 6 is a front view of the exhibition stand in a partially open position of FIG. 5.
The broken lines in the figures illustrate unclaimed portions of the design.