USA Modern Commemorative Silver Dollar- Olympics Baseball $1 1992S NGC PF69UCAM Issued to mark the Games of the XXV Olympiad, this One Dollar silver coin is representative of America’s pastime. This coin has been authenticted, encapsulated and graded Proof 69 Ultra Cameo (PF69UCAM) by Numismatic Guarantee Corporation (NGC) one of the nation’s top third-party grading services.