1960 RARE COMPLETE DOZEN BRUCE CRAMPTON J.C. PENNY SIGNATURE GOLF BALL SET. J.C. PENNEY RETAILED THESE BALLS AND CONTRACTED NORTHWESTERN GOLF COMPANY TO PRODUCE THEM. NORTHWESTERN OUTSOURCED THE PRODUCTION TO SUMITOMO RUBBER INDUSTRIES IN JAPAN. HENCE THE PRINT ON THE BOX AND BALLS INDICATING "MADE IN JAPAN." BRUCE CRAMPTON WAS FROM AUSTRALIA AND WAS KNOWN AS THE "IRONMAN" DUE TO HIS RELENTLESS PLAYING SCHEDULE AND WAS THE FIRST INTERNATIONAL GOLFER TO PASS $1 MILLION IN CAREER EARNINGS ON THE US TOUR. HE HAD 14 PGA TOUR WINS FROM 1961 TO 1975. BRUCE WON THE PRESTIGIOUS VARDON TROPHY TWICE IN 1973 & 1975. HE WON FOUR TOURNAMENTS THE SAME YEAR (1973) THAT THESE BALLS WERE INTRODUCED. HE NEVER WON A MAJOR AND HAD FOUR RUNNER-UP FINISHES ALL TO JACK NICKLAUS. HE WON 20 TIMES ON THE SENIOR TOURTHIS SET WILL MAKE A GREAT ADDITION TO YOUR VINTAGE GOLF BALL COLLECTION. THANKS FOR LOOKING AND PLEASE CHECK OUT MY OTHER VINTAGE GOLF BALL LISTINGS. SHIPPING WILL BE SAME OR NEXT DAY AFTER PAYMENT IS RECEIVED.