The ornamental design for a toiletpaperholderstand, as shown and described.
FIG. 1 is a front, right, and top perspective view of a toilet paper holder stand, showing my design.
FIG. 2 is a front elevation view thereof.
FIG. 3 is a rear elevation view thereof.
FIG. 4 is a left side elevation view thereof.
FIG. 5 is a right side elevation view thereof.
FIG. 6 is a top plan view thereof.
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view of the toilet paper holder stand of FIG. 1 wherein a top-panel and a door of the toilet paper holder stand are open.
The broken lines shown in the drawings are included for the purpose of illustrating portions of the toilet paper holder stand that form no part of the claimed design.