FIG. 1 is a perspective view of putter head embodying my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a sectional view taken in line 8 — 8 of FIG. 2; and,

FIG. 9 is a partially enlarged front view thereof.

The broken line showing is included for the purpose of illustrating and forms no part of the claimed design.