Rare and early Ping Redwood City Mod.1 pat pending centre shaft rectangular shaped brass putter-the front and rear sole plates stamped "Ping by Karsten" to the one and "Redwood City Calif-Pat Pend" to the other and the full raised centre chamfered sole plate stamped to the toe Mod I" and the number 9 to the heel fitted with the original shaft with a Ping decal label together with the original Golf Pride green rubberised pistol grip