China. Set "Die offiziellen Silbergedenkmunzen der Volksrepublik China", 1984-1989. 4 x 1984, 4 x 1985, 4 x 1986, 4 x 1987, 4 x 1988, 4 x 1989. KM-209-251. In original red case with certificates. Lot of 24 coins. All Choice Brilliant Proof. Estimate Value $500 - 600