CHINA. Lot of (3) 10 Yuan, 1989-P. Lunar Series, Year of the Snake. PCGS PROOF-67 & PROOF-68 DEEP CAMEO Secure Holders.KM-231. 3 pieces in lot, all 15 gms round pieces. One piece is <strong>PCGS PROOF-67 DEEP CAMEO Secure Holder</strong>, the other two arePCGS PROOF-68 DEEP CAMEO Secure Holder.