FIG. 1 is a perspective top view of a golf putter head showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a left side elevation view;

FIG. 5 is a right side elevation view;

FIG. 6 is a rear elevation view; and,

FIG. 7 is a front striking face elevation view.

The broken line showing of a fragmented shaft is for illustrative purposes only and forms no part of the claimed design.