1980年1元。奥运系列。加厚版。花样滑冰。发行量1,000枚。 几处斑点,暖色包浆,加厚发行,镜面底板,霜面图文。CHINA. Brass Yuan Piefort, 1980. Olympic Series, Figure Skating. PCGS PROOF-67 Deep Cameo.cf. KM-P9. Mintage: 1,000. Besides a few tiny specks and a hint of warm tone, this piefort issue offers immaculate mirrored surfaces that contrast with frosted devices.