Rare and early Ping Redwood City Mod A5 patent pending bronzed brass mallet head putter-the sole is stamped to both ends with "Pat Pend" and "Ping A5" and to the cavity centre "Ping by Karsten PO Box 503 Redwood City Calif" - the head has two inlaid aiming notches, the original shaft and fitted with the original Golf Pride white rubberised pistol grip.