The ornamental design for a flagpoleholder, as shown and described.
FIG. 1 is a front, right and top side perspective view of a flag pole holder showing my new design;
FIG. 2 is a back, right and bottom side perspective view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a back elevational view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The evenly spaced broken lines depict portions of the flag pole holder that form no part of the claimed design. The dot dash dot broken lines depict the boundaries of the claim and form no part thereof.