The ornamental design for a portableradiotelephone or similararticle, as shown and described.
FIG. 1 is a top, front, and right side perspective view of a portable
radiotelephone or similar article showing my new design, with the broken
line matter being for illustrative purposes only and forming no part of
the claimed design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top, front and right side perspective view thereof, the
telephone handset receiver cup portion is rotated 90 degrees.