The ornamental design for a displayboard for memorabilia, as shown and described.
FIG. 1 is a front elevational view of a display board for memorabilia
showing my new design, with the rear being flat and unornamented;
FIG. 2 is a right side elevational view thereof, with the opposite side
being a mirror image;
FIG. 3 is a front elevational view of a second embodiment thereof, with the
rear being flat and unornamented;
FIG. 4 is a right side elevational view thereof, with the opposite side
being a mirror image; and,
FIG. 5 is a front elevational view of the first embodiment, with the broken
line showing for illustrative purposes only and forming no part of the
claimed design.