LAST Dozen - This is an extremely rare set of Maxfli Signature Series Golf Balls featuring Nicklaus, Norman, and Couples.The balls are made of Balata material and are 3-piece construction with a compression rating of 100. These collector balls are vintage, from a 1990\'s PGA Show Give Away event, and come in a pack of 12. There is a sleeve of numbers 1-4 with each sleeve having 1 each of the 3 PGA Professionals listed. The balls are in excellent condition, with a letter grade of AAAAA. The white-colored balls are an auto generated autograph and are not personalized. They are made in Japan with high-quality features that make them perfect for golf enthusiasts. This set is perfect for collectors!