The ornamental design for a vantop, substantially as shown.
FIG. 1 is a top, front and left side perspective view of a van top showing
my new design, it being understood that the broken lines are for
illustrative purposes only.
FIG. 2 is a rear elevational view thereof to an enlarged scale;
FIG. 3 is a right side elevational view thereof to an enlarged scale;
FIG. 4 is a top plan view thereof to an enlarged scale; and
FIG. 5 is a bottom plan view thereof to an enlarged scale.