1990年台湾50元精制套币一组。四枚。1) NGC Proof-68 Ultra Cameo. 春秋御阁。Fr-35; KM-326.2) NGC Proof-69 Ultra Cameo. 姊妹潭。 Fr-36; KM-327.3) NGC Proof-67 Ultra Cameo.日月潭。 Fr-37; KM-328.4) NGC Proof-68 Ultra Cameo. 赤崁楼。 Fr-38; KM-329.(t) CHINA. Taiwan. 50 Yuan Proof Set (4 Pieces), 1990. All NGC Certified.1) NGC Proof-68 Ultra Cameo. Spring and Autumn Pavilions. Fr-35; KM-326. 2) NGC Proof-69 Ultra Cameo. Sister lake. Fr-36; KM-327. 3) NGC Proof-67 Ultra Cameo. Sun Moon Lake. Fr-37; KM-328. 4) NGC Proof-68 Ultra Cameo. Chikan Tower. Fr-38; KM-329.