Vintage Wilson ProStaff 1 Golf Ball Store Display 9" Shop Sign. Condition is preowned. This was a limited series. Ball is one piece and made with dimples and weighted inside so it doesnt roll. This ball is made of a hard durable composition resin by Mattei Display Co in the 1970s. Comes with everything you see in the pictures only. Please view pictures to evaluate for yourself. Shipped via USPS Ground Advantage.