China. Four Piece 400 Yuan Set, 1979. Fr-1-4; KM-4-7. Total weight 1.9988 ounces. For the 30th Anniversary of People's Republic. With original wood box, certificate number 20471. Lot of 4 coins. NGC graded People's Heroes Monument, Proof 68 Cameo, balance of set NGC graded Proof 69 Cameo. Estimate Value $2,500 - 2,800