The ornamental design for a cassettetapeholder, as shown and described.
FIG. 1 is a perspective view of a cassette tape holder showing my new
design, the broken line showing the outline of a cassette tape is for
convenience of illustration only;
FIG. 2 is a side elevational view, the other side being a mirror image
thereof; and
FIG. 3 is a top plan view, the bottom plan view being a mirror image
thereof.