Back and sole portion of a golf club head

FIG. 1 is a perspective view of the back and sole portion of a golf club head of the new design;

FIG. 2 is a perspective view thereof, from the heel end of the club head;

FIG. 3 is a perspective view thereof, from the toe end of the club head;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a back side view thereof;

FIG. 7 is an end view thereof, from the heel end of the club head;

FIG. 8 is a front side view thereof; and,

FIG. 9 is an end view thereof, from the toe end of the club head.

The broken lines showing the club head is for illustrative purposes only and forms no part of the claimed design.