CHINA. Two Piece Proof Set, 1983. Panda Series. PCGS PROOF-68 DEEP CAMEO & PROOF-69 DEEP CAMEO Secure Holder.KM-67 & 85; PAN-11A & 12A. With case of issue and certificate of authenticity serial # 6242. The brass 1 Yuan has light freckles of tone throughout while the silver 10 Yuan is nearly as made free of tone, haze or fog. Both are graded by PCGS.