ATP Tour crystal chalice from the personal estate of Arthur Ashe. The ATP Tour began in 1990, replacing the WCT and encompassing the Grand Slam tournaments. Ashe was instrumental in creating the ATP itself. Chalice features a frosted panel to the front displaying the IBM logo and ATP Tour insignia. Waterford crystal maker's mark appears on the underside. Measures 7.5'' in height, with a 6.5'' diameter mouth and 4.5'' base. Fine. With an LOA from Arthur Ashe's widow.