FIG. 1 is a front and right side perspective view of a putter head showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a back view thereof.

The broken line showing of fragmentary shaft in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.