FIG. 1 is front perspective view of a decanter stopper with a vacuum pressure indicator showing my new design;
FIG. 2 is a front orthographic view thereof;
FIG. 3 is a rear orthographic view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof; and,
FIG. 7 is a perspective view the decanter stopper inserted into a bottle, which is partially cut away.
The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.