FIG. 1 is a front perspective view of an armchair;
FIG. 2 is a front view of the armchair;
FIG. 3 is a rear view of the armchair;
FIG. 4 is a right side view of the armchair, with an annotation identifying a portion of the armchair depicted in FIG. 5;
FIG. 5 is an enlarged right side view of the portion 5 of the armchair identified by the annotation of FIG. 4;
FIG. 6 is a left side view of the armchair, with an annotation identifying a portion of the armchair depicted in FIG. 7;
FIG. 7 is an enlarged left side view of the portion 7 of the armchair identified by the annotation of FIG. 6;
FIG. 8 is a top view of the armchair;
FIG. 9 is a bottom view of the armchair;
FIG. 10 is a bottom perspective view of the armchair; and,
FIG. 11 is a rear perspective view of the armchair.
The broken lines shown throughout the views represent the portions of the armchair which form no part of the claimed design.