Star Trek VI Pfaltzgraff 3 Piece Set Excelsior L/E Plate Teacup Saucer 1993. Series/Movie VI The Undiscovered Country. Star Trek VI Pfaltzgraff 3 Piece Set Excelsior L/E Plate Teacup Saucer 1993. The plate measures approximately 10 3/4 in diameter, the saucer 5 7/8 in diameter and the cup 3 tall.