36 Exellent Wilson Staff DUO,  Duo Soft, Duo Optix 5A-4A Used Golf Balls - FREE SHIPPING. Condition is Used. Shipped with USPS Priority Mail Padded Flat Rate Envelope. 5A/4A Grade - Amixture of golf balls in both 5A to 4A Condition. This Grade comprises of cleanlike new balls that have been hit once to golf balls with blemishes andimperfections in the 4A grade ranging from: discoloration, player markings,slight scuff marks and sharpie markings covering more than 6 dimples. No ballsin this grade consist of balls that will alter in distance, flight path ortrajectory. May include companyand team logos. Does NOT include PRACTICE, X-OUTS, or Refinished golf balls.