The ornamental design for a base for a mobilehome support stanchion, as shown and described.
FIG. 1 is a top plan view of a base for a mobile home support stanchion
showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a bottom plan view thereof; and,
FIG. 4 is a front elevational view thereof.
The left side elevational view is a mirror image of the right side
elevational view. The rear elevational view is a mirror image of the front
elevational view.