The ornamental design for a display and writing implement holder, as shown and described.
FIG. 1 is a front view of a display and writing implement holder according
to the instant invention; and,
FIG. 2 is a perspective view of a display and writing implement holder
according to the instant invention with a writing implement therein, with
the broken line showing the writing implement and indicia for illustrative
purposes only and forming no part of the claimed design.