The ornamental design for a seat or similararticle, as shown and described.
FIG. 1 is a front perspective view of a seat or similar article showing my
new design in the form of a sofa.
FIG. 2 is a side perspective view of the design of FIG. 1, and
FIG. 3 is a front perspective view of the seat or similar article showing
my new design in the form of a loveseat and with a leg rest in extended
position.
The rear of the seat is conventionally flat and unornamented.