The ornamental design for an adjustable exercisebench or similar article, as shown and described.
FIG. 1 is a side elevational view of an adjustable exercise bench or
similar article showing my design, the opposite side being a mirror image
thereof;
FIG. 2 is a top plan view;
FIG. 3 is a bottom plan view;
FIG. 4 is an elevational view showing one of the two identical ends; and,