ROYAL HOUSEHOLD VINTAGE GOLF BALLS FROM THE 1970’s, DUNLOP 65, 1.62 SIZE, THESE HAVE COME FROM THE ROYAL HOUSEHOLD GOLF CLUB IN THE GROUNDS OF WINDSOR CASTLE, THE GOLF COURSE IS SOLEY FOR THE USE OF MEMBERS OF THE ROYAL FAMILY. Would make a nice edition to any vintage golf ball collection, please see my other vintage golf balls and tees.